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Hardware and Networking Course – Scope, Job Prospects and Remuneration

A Diploma in Hardware and Networking Course provides a direct entry into the IT industry in India and abroad. To gain technical knowledge in the field, students have the option of doing a short-term (6 months) or a full diploma (1 year) course. The eligibility criteria starts as soon you complete your 12th class that is senior secondary level. Although, one can pursue higher level studies in the course but to join the first job there is no compulsion of deep study. In the below article, you will find hardware and networking course – scope, job and prospects and remuneration.

Scope of Hardware and Networking Course

The course includes the two indispensable skills on which the entire information architecture system is dependent. The computerized world is also layered as hardware and network that allows small, medium, and big enterprises to manage and perform IT- related tasks. In the coming years, the demand is going to grow as every other company, private, government, or semi-government will be working on computerized (digital) platforms. Through, hardware and networking course, the country can get ready-to-work professionals easily. Rest, the scope of the training in the course can be understood from the following points:

  • IT market size & demands growing continuously
  • Competition for quality IT services
  • Variety of things to handle that needs an expertise
  • Course serves one of the demanded skills

Job Prospects after Diploma in Computer Hardware and Networking

According to a survey by Network Magazine, there is 30% increase in hardware requirement in India, which in turn arouse the demand for hardware professionals. In almost 70% of the organization, a team of IT professionals is mandatory trained in hardware and networking course. Rest, there are a number of designations for the professionals that can help them to make a career in the IT industry.

Hardware and Networking Designations:

  • System Analyst
  • Applications Architect
  • Database managers
  • Network Architecture
  • Hardware Tester
  • Installation Engineer
  • Network and Security Administrator
  • Software Engineers and many more

Comparison of Course Fee and Salary:

If you pursue a diploma in computer hardware and networking course then, you have to pay Rs. 20,000 to Rs. 30,000 depending on the institute. There are other degree level higher courses having a fee hike that goes beyond the Rs. 80,000. For saving time and getting quick employment opportunities one can turn up to join computer hardware & networking institute in Delhi. However, income scale is strongly influenced by skills and experience of the person in the particular field. The minimum scale for a fresher starts with Rs. 8,000 and ends based on expertise. With years of experience or smart working, you can move ahead in terms of designation, growth, and income! All you have to do is to apply techniques of hardware and networking course.

Computer Network Overview

Computer networking or data communication is a most important part of the information technology. Today every business in the world needs a computer network for smooth operations, flexibly, instant communication and data access. Just imagine if there is no network communication in the university campuses, hospitals, multinational organizations and educational institutes then how difficult are to communicate with each other. In this article you will learn the basic overview of a computer network. The targeted audience of this article is the people who want to know about the network communication system, network standards and types.

A computer network is comprised of connectivity devices and components. To share data and resources between two or more computers is known as networking. There are different types of a computer network such as LAN, MAN, WAN and wireless network. The key devices involved that make the infrastructure of a computer network are Hub, Switch, Router, Modem, Access point, LAN card and network cables.

LAN stands for local area network and a network in a room, in a building or a network over small distance is known as a LAN. MAN stands for Metropolitan area network and it covers the networking between two offices within the city. WAN stands for wide area network and it cover the networking between two or more computers between two cities, two countries or two continents.
There are different topologies of a computer network. A topology defines the physical layout or a design of a network. These topologies are star topology, bus topology, mesh topology, star bus topology etc. In a star topology each computer in a network is directly connected with a centralized device known as hub or switch. If any computer gets problematic in star topology then it does not affect the other computers in a network.

There are different standards and devices in computer network. The most commonly used standard for a local area network is Ethernet. Key devices in a computer network are hub, switch, router, modem and access point etc. A router is used to connect two logically and physical different networks. All the communication on the internet is based on the router. Hub/Switch is used to connect the computers in local area network.

Hopefully, in this article you may have learnt that what a computer network is, how important it is in our lives, what are different network devices, standards, topologies and communication types.

Home based MLM/Network Marketing Business : When Evaluating Home Businesses Due Diligence Is A Must!

 

Millions of Americans have faced financial hardships since 2008 due to collapse of large banks, corporate restructuring, auto company bankruptcies and overall economic turmoil. Furthermore, millions have realized that their 401k retirement plan has now been reduced to a 201K—many have lost of to 50% of their investment.

Many have lost hope for the future but there are good options still for recovering financially and enjoying time freedom.  Once such option among many is network marketing.  A home based mlm business offers low cost of entry, company support/training, part time effort, flexible hours, very little marketing costs if any, residual income, and more. As far income, you can make as little as a few hundred dollars per month up to tens of thousands per month with focused full time every effort. By the way, full time effort is usually only about 25 hours per week. But, this business is not for everyone. It requires discipline, patience, people skills, organization, etc.

MLM Due Diligence                                                                                                                          

Most people are introduced to a MLM company by a friend, neighbor or business associate.  Unfortunately, most of these people were introduced to the business the same way and usually don’t know how to choose a company.

Criteria For Success

A Unique Product

Are the products one of a kind with patented technology or just another “me too” product that will be in Costco and Walmart in two years. Do the products provide quick benefits? Are they based on research? Do the checks come on time? You don’t want to build your business and later they go bankrupt.

Financial Picture

Are they debt free? Are they publicly or privately owned? Who owns the company? Are the distributor checks timely? You don’t want to work hard to build your business only to find out the company went into bankruptcy.

Owners

Check out the reputation and experience of these people. How many years have they been in the business? Were they distributors distributors before or owners or both? Many companies have failed because of incompetent leadership…be careful here.

Timing

Indeed timing is everything!  I have had discussions with icons of this industry that have made millions of dollars and guess what I was told. I was told that really big money comes from getting into a great company early. If you get in early, work hard and the company hits hyper growth, checks can increase by 20 times over night.

Compensation Plan

Oh yes..show me the money. Is there a way to make quick upfront money and residual income?  Can you recoup initial investment within 60 days or less? Can you make good money just by retailing while you build an organization. Know the comp plan.

If you would like to learn more and take the guesswork out of MLM, click here

Watch short video from Robert Kiyosaki as he explains that a home based business is the #1 thing you can do to increase your wealth.

Effectively manage your network with NNMi using Packt’s new book

Packt is pleased to announce HP Network Node Manager 9: Getting Started, a new book that guides professionals through the whole network monitoring implementation process. Written by Marius Vilemaitis, this book covers all NNMi features and provides hints which help adapt this management software to meet specific needs.

HP Network Node Manager 9: Getting Startedexplains how to use built-in features and adapt them in the most efficient way. It bridges the gap between technical, personnel and management, covering subjects in both technical and business languages. This book guides developers right from system sizing, edition, and feature selection to system customization as per their staff needs.

This book has descriptions and examples on why and how NNMi can be integrated. It explains what system designers do while sizing an NNMi system and how the system should be installed. The developers will find a detail explanation on how they should design and implement their network discovery. They will also learn how to create maps for their operators, so any network device that causes issues can be tracked fast, and each device position will tell each device’s purpose.

HP Network Node Manager 9: Getting Started throws light on backup, application failover, as well as clustering techniques with real-world examples. Developers will be in a position to design management tools to work along with NNMi in the way they want. They will also learn to customize NNMi, to give operators a clear view about what’s going on in a network.

This book is a step-by-step guide that describes how to implement, maintain, and expand the NNMi management tool. It shares best practices and covers a lot of non-technical issues that arise during implementation and operation. Each topic has practical examples which developers can practice while reading the book.

3 Common Aspects for Purchasing the Best Network Discovery Tool Easily

Being the network system secured and keep a track of every activity is needed to make is friendlier for the users. By keeping this in your mind, you will surely be able to make your office or home system more secured for enhanced results. Different types of devices and tools are available in the market that can be used by the experts to monitor your business network. You just need to get the best devices and systems installed at your office and home for enhanced results.

When you are going to approach a trusted company for getting the best and effective Network Discovery Tool for your use, you need to keep some common aspects in mind about the tools: –

Easy Installation: – It is needed for you to ensure that the tools you are going to select for monitoring your network security system to enhance the safety can be installed easily. This will help you to get the systems installed easily for availing the needed benefits. Though, the devices and tools that are available with the trusted stores can be installed easily, still you need to keep the fact in mind for selecting the best tool.

Optimum Functionality: – Make sure that the device or even tool that you are going to select is capable of performing the needed function for your office or home network. This simply means that the tools should be capable of performing the needed network security performances in an easier way. This will help you to get a complete control on your particular network system.

Available Specifications: – Such tools are available in different technical specification to cater the needs of the users. All you need is that ensure that the tool you are going to select is available in a variety of specification for the users. This will surely help you to select the best tool for your business network securing facility. If the tool are available in a variety of technical specifications, you will be able to purchase the suitable one and install them for enhanced security purposes.

You need to keep several other things in your mind for selecting the best tool for network security enhancement and monitoring. But, above listed are some of the common aspects that you must not forget to consider when approaching a reckoned supplier. You just need to visit the online store of a trusted supplier and shop for the products that you are looking for your network system. Approaching these companies will also help you to get the products at reasonable rates.

Upgrade Your Blog and Website by Utilizing Search Engine Optimization

Appearing on the primary page of search engines, for case, Google is the target besides the most fundamental approaches to augment website activity and uncover the content of your website into the world. Along these lines, you will have the ability to demonstrate your thing, association or other content to anyone into the world and pull in them to visit your website. The development to improve your website movement is called Search engine optimization. Every search engine may have specific estimation to make sense of where a website positions, however every one of them have several common characteristics. Everything relies on upon the content gave, the level of optimization done on that website besides the acclaim of the website. Today, I will give you an efficient assistant on the best approach to upgrade your website activity and practice the best search engine optimization for your website and blogger outreach how to.

The first step is use Google and create a blog through google supporting hosting. Google is one of the best search engines and the most comprehended one; in this way make a point to utilize Google as your outskirt for the best search engine optimization hone. You should use watchwords, or for this circumstance Google catchphrases utilizing a mechanical assembly inside of the Google promotion sense website. Accordingly, you will have the ability to get watchword for your website and will have the ability to pull in more guests. Utilization Google examples to check the subject that is common at this moment. Check blogger outreach service for more data about utilizing advantage on Google.

The accompanying step is overhauling you’re content. Make a point to make an excellent content that is stand-out, goof free grammatically message, sorted out well besides have current looking website. Thusly, you will have the ability to improve the SEO of your website. I prescribe you to visit SEO advancement Australiafor the best approach to manage surety your excellent content on Australia.

The accompanying step is utilizing diverse approaches to enhance your movement. You can use join exchange, activity exchange and various distinctive techniques to enhance the movement of your website. Join exchange ought to be conceivable by contributing article, post or other content into another website. You can contribute on colossal activity website, for instance, ezine or wikihow to contribute article and place your connection there. Thusly, you will have the ability to pull in the visitor to come at your website. Guarantee that you are creating your content really and great semantic use. Guarantee that your content is profitable, helpful besides charming. A decent content will make visitor setting off to your website and need all the more great content.

Else, you can fundamentally buy website activity to enhance your website. There are various organizations association that offer you website activity help in simple courses, for example, SEO advancement USA. You ought to do simply contract them and they will enhance your movement and perspective tally in a matter of minutes. Thusly, you will have the ability to draw in more guests to your website easily.

Obtaining Award Plaques or Trophies in Simple Steps

Trophy or award plaques is the most customary approaches to manage offer prize to particular achievements or serves as acknowledgment, evidence of merit. Trophy can be given to anyone that makes development, acknowledgment or giving dynamite merit. However this day, trophies can be use for a blend of purposes. Individual plaques or trophy is overwhelming with community associations, administrators in various fields, and even in sport event. Then again, trophy can lose its charm if quality is bargained. Hence, watch that you get the best quality custom awards in the event that you bring to the table trophy to anyone. Today, I will issue you a conscious manual for purchase awesome award plaques for individuals that deserve it.

The fundamental step is evaluating your financial plan. Affirm that you pick the best material you can manage the cost of as per your financial plan. There are different material that can be use to make trophy or plaques, however the most expensive are crystal trophies that comes in distinctive form. Another kind of plaque are custom plaques, and various more.

The accompanying step is take a gander at trophies test before you decide the right trophy for you. You should take a gander at test truly. Make a point to see and touch the trophy truly so you can figure out what sort of trophies that perfect for you. Particularly when you need to driving force custom crystal trophies, you should see and feel the trophy after a short time. Check poor engraving, discoloration, chips on the specimen. Ask your friend, family, or your trusted partner to assist you with the decision of any item to be given as an award.

How to Create a Small Network for Home or Office

Networks are a wonderful thing. They allow people to exchange information, share resources such as printer and folders, and access a common Internet connection. They used to be expensive and complicated to setup. But, no longer are networks only for large businesses. They can now be setup within minutes in a small office or home.

A network by definition is two or more computers connected together for the intent to share data. Therefore, each computer has to have a way to receive data and that means is through a network card whether it be wired or wireless. Nowadays, most new computers (desktop or laptop) have network cards built into them. Wireless ones you most likely will not see if already installed as in laptop computers. Wired network cards, however, have a distict plug on the back of the computer, they look like oversized phone jacks.

Now you might wonder, “OK, how do I connect the computers together?” Well, there has to be a point of connection. That connection is through a router. These devices serve two purposes, a hub and gateway to the Internet. Their main purpose is to take the data coming in from one computer and relay it to the receiving computer. The connections to each computer are made with Ethernet cables which are available at most electronics stores.

Once the computers are connected with cables to the switch, some minor configurations have to be made on each computer. Depending on whether you’re using MAC or PC, the concept is the same. Open your network connections window and open the configuration for the Ethernet network connection. Here you want to make sure that your options are set to use DHCP, which allows the computer to automatically get a network address from the router. You also want to make sure that DNS server settings are set to be automatic. The router will issue these settings as well. Repeat these steps on any other computers you wish to include in your network.

If you are opting to create a wireless network, review the instructions provided to you by your router manufacturer as to the installation and configuration of your computers. In general, without any additional configuration of the router, your computer should automatically find the wireless network and connect. (However, it is recommended to improve your security so that outside parties cannot access your personal network.)

At this point, you have created a basic network; your computers now can talk to each other giving each other potential access to files and devices. If you’ve set your router up to the Internet, at this point you should be able to browse the Internet as well from both computers.

To share folders and printers, one needs to setup sharing on the computer. Depending on what type of computer you are using and what version of operating system, the proceedure to setup sharing differs. However, for the most part, it is a matter of creating a “share” name for the folder or device and then connecting to that folder or device from the other computers.

That is how a basic network is created in a small environment. In a larger environment, the equipment is larger and generally more expensive and involved, but the same access proceedures apply.

Home NetWorking Secrets : The Easy way

Todays Secret : Why big stores love home networks.

More and more of us are adding devices to our home networks, extra pc for the kids, xbox or wii, media sever to store all our music and photos. The ability to share music, photos and videos across all the pcs in your house has never been easier. Yet with all this growth a recent survey conducted by ABI Research, showed one in three consumers reported difficulty in setting up and maintaining their home network. 25% of all wireless devices are returned to the store simply because it was too hard to setup, and not a defective product. This notion is further enforced by Best Buy’s Geek Squad founder Robert Stephens who acknowledged that the complexity of installing a wireless network is evidenced by the fact that return rates on wireless networking devices drop to nearly zero when his installers do it. Really there are a lot of great network products out there but fortunately they do not always do a good job of explaining very simple to set up.

This is one of reasons that big stores love home networks , it seems complex and hard to set up. Its easy to get frustrated with it. So if you return a wireless router to the store how hard do they have to sell you on letting them ease your frustrations by having them install it for you.

Another reason they love home networks is the time it can take to set up a network. Usually there’s software to install, pc will need a reboot, add security passwords and need another reboot and we all know how long that can take. So if you have two pcs on your network the time needed is doubled, want to add a printer you can all use, time doubles again as more software is added to each pc and yet more reboots.

Final reason is maintenance. Want to add a new pc or printer they will gladly come out and spend more time adding the new device. If the network stops working do you know where to start troubleshooting?

Truth is home and small business networking is not that difficult if you have some technical knowledge. Setting up times and maintenance can be greatly reduced with the right software. With great software you do not even need the technical knowledge to get a mult device network running. Whenever I go to someones home to set up a network I show them them Network Magic. This software is by cisco one of the leading companies in business high tech networking. I explain how by using this software their network can be set up quicker, be more secure and easier to maintain

Setting up

Simply install Cisco Network Magic to each pc in your home. The Essentials version has licenses for upto 3 devices. The Pro version lets you connect upto 8 devices. Cisco Network Magic adds a level of simplicity to many of the most common setup problems encountered. These issues include enabling wireless security and discovering and adding each device to the network, whether wired or wireless. With Cisco Network Magic, you can instantly connect all of your devices to the network, without the usual difficulties.

Once your network is up and running, Cisco Network Magic makes it easy to see what is happening on the network through a Network Map which is a visual representation of of all the devices that are connected to your home network, as well as possible intruders. The map also provides additional details about those devices, including IP addresses, connection status, alerts about software updates, as well as easy access to any tasks related to each device. By utilizing the features of the map, you can view and control many aspects of your networked devices, without having to go to each device individually so no more running back and forth.

File and Printer Sharing

ABI Research has also found that more than 33% of home network owners said they use their network for file sharing, and 40% share a printer among multiple computers. Cisco Network Magic helps make the process a snap, with built-in file and printer sharing tools.

To share files with your other computers, simply click on “Share a Folder” and a software setup program known as a “wizard” walks you through the steps. If you want to see what folders are shared on one computer, or all of your networked computers, you can do that as well. Cisco Network Magic even puts a shortcut on your desktop, making it easy to access all the music, photos, videos and other files available on your networked computers. With multiple computers in a household, it becomes very cumbersome and expensive to outfit each one with its own printer. If you want to share a printer among multiple computers, Cisco Network Magic has an easy setup process. The program will make the printer available to all computers on the network, and will even automatically install the printer drivers on the different PCs for you.

Parental Controls

If you’re like millions of concerned parents, you worry about the content that your children are exposed to on the Internet. Perhaps you would also like to control when your children have access to the Internet. With the Internet Access Controls in Cisco Network Magic, you can do all of this and more. Access pic Cisco Network Magic offers controls that allow you to manage when and where your networked computers access the Internet. You can restrict Internet access to certain times of the day, making sure your kids are doing their homework and not surfing the web or chatting with their friends online. All of this can be done remotely, via a password-enabled tool so the controls you put in place stay there.

Computer Reports and Network History The reports feature of Network Magic offers a convenient way to keep track of what sites have been visited on your connected computers. The program can be setup to email a link to a detailed report each day, showing when the computer was online, the programs that were used (and when they were used) computer health status, each website that was visited, and the Internet bandwidth consumed by each computer. Network history shows you which computers and other devices have connected to the network, along with any intruders that may have attempted to connect.

Troubleshooting One of the most frustrating aspects of managing a home network is troubleshooting when one of your devices gets disconnected. Your computer’s operating system offers limited solutions for fixing a problem with the PC, and no help for reconnecting other devices like game consoles or Internet-connected TVs. Network Magic offers a variety of troubleshooting solutions for your network connection, as well as file and printer sharing. When your connection is lost, the Network Map will clearly show you where the break is. Click on the “Repair Connection” button from the map to have the software walk you through a step-by-step guide to fix your network connection. The “Troubleshoot Sharing” task will do the same when you have file and printer sharing problems. If your still having trouble after using Network Magic then its worth having someone come in and help you.

So why do I recommend Network Magic to my clients if it means less work and money? Because I would rather my clients only need to call on me as a last resort and to know that when I a working for them I’m not wasting their time and money on tasks that can be made simple and easy Top 5 Home Network Problem Areas 1. Wireless Network Connection 2. Printer Sharing 3. Troubleshooting 4. Connecting New Devices 5. Wireless Network Security I’ll add a sixth to that 6. Cost. Network Magic reduces all of these. Its a great price and is a one off fee, no yearly subscriptions like some software

Bonus Secret : Most times when your network is down a simple restart will get everything back just follow this procedure.

    1. Shut down all the pcs and network devices
    1. Shut down your router
    1. Shut down the box provided by your cable company or phone ne for internet access
    1. Wait 5 minutes and then start up the cable/phone box again
  1. Wait five more minutes and start up your router

How to deploy internet monitoring in a wireless network?

A wireless local area network (WLAN) links two or more devices using some wireless distribution method (typically spread-spectrum or OFDMradio), and usually providing a connection through an access point to the wider internet. This gives users the mobility to move around within a local coverage area and still be connected to the network.

Wireless LANs have become popular in the home due to ease of installation, and the increasing popularity of laptop computers. Public businesses such as coffee shops and malls have begun to offer wireless access to their customers; sometimes for free.

Wireless communication brings fundamental changes to data networking and telecommunications. Nowadays, more and more organizations and home users build up wireless networks. And in many situations, wired networks and wireless networks exist together. This topic demonstrates two solutions to monitor wireless networks internet activities.

1. Deployment with a cable router.

A typical network contains both wired and wireless networks:

HomeNetwork_en1.jpg

To monitor both the wired network and the wireless network, we add a TPlink port mirror switch TL-SL2210WEB between the router and wireless AP.

Port1 of it is connected to the router, port2 connected to WFilter and port3 connected to the wireless Access Point.

The port mirror configuration is as below:

tplink_en.jpg

By now, you can monitor all the wired and wireless computers.

2. Deployment with a proxy server.

As in the below figure, by setting up a proxy server and install WFilter in the proxy server, computers using this proxy server to access internet will all be monitored. Please refer to”Deploy WFilter with a Proxy Server” for more information.

router_SwichProxy.jpg

What Are The Main Computer Network Security Threats?

Whether you are looking to protect a small network in your home or one that is the foundation of your business, you will find that it is first important to understand what kind of threats you might be facing. As soon as you have a computer hooked up in order to connect to the network, you will find that there is a chance that it can be exposed to a number of different risks. When you are thinking about what you can do to make a system a great deal more secure, you will find that an understanding of the risks that you are vulnerable to is something that can help a great deal.

First and perhaps most obviously, is the threat of a virus. While the majority of viruses are simply annoying, there are definitely viruses that can damage your network’s hardware, software, or both. For the most part, a virus is an executable file that will be spread by human means and will require someone to open it before it can do its work on the network. When looking at virus threats, it is worth understanding worms as well, which are considered a subset of viruses. Worms do not need human help to propagate themselves, and in fact one example of the way that they work is to turn your computer into an email server that will distribute copies of themselves.

When looking into network security threats, though, it is very important to consider what risks may be present from inside the system. First and foremost, the idea of bad architecture must be considered. If a network is mis-configured in the first place, it can be a very tempting target for people who are looking to get on it. One obvious example of this would be leaving a wireless network unsecured so that anyone with a network card could get onto it. This can certainly happen in a broader and more disastrous scope.

Interestingly enough, one of the most common measures taken to save time is also one that leaves network systems shockingly vulnerable. Consolidating a lot of services to one machine is a common measure for saving time and resources. It is easy to manage and simple to maintain, but if this single machine is compromised, there is a great deal of harm that can happen. While accidental failure is one thing, there is also the concern regarding the ease with which a single machine could be manipulated. In this case, the answer is frequently redundancy.

Computer network security is something that is very important, and if the information that you are safeguarding has anything to do with money or with personal information, it will achieve even a higher priority. Take some time and think about your system and think about whether it is vulnerable to any of the threats above. The more security that you can provide, the better off you will be. The protection of both your company and your customer depend on this aspect of your company’s working, so always consider what network security means to you.

How to pass MCSE, MCSA, MCITP certification exam

Microsoft offers a number of certification levels depending on specific areas of proficiency and nature of job. Some of the certifications pertaining to the field of networking are: Microsoft Certified Professional (MCP) Microsoft Certified System Administrator (MCSA) Microsoft Certified System Engineer (MCSE) Each certification level has certain exams associated with it.

Introduction to Microsoft Certifications

Certifications are a necessity these days, to tell the good from the bad at the start itself. However, the test does not stop there; it only means you have a chance at the job and not the job itself. Microsoft has gone to great lengths to ensure a certified engineer is tested academically on all aspects of an enterprise network, if he claims to be a Microsoft Certified Systems Engineer. Microsoft offers a number of certification levels depending on specific areas of proficiency and nature of job. Some of the certifications pertaining to the field of networking are: Microsoft Certified Professional (MCP) Microsoft Certified System Administrator (MCSA) Microsoft Certified System Engineer (MCSE) Each certification level has certain exams associated with it. You can decide the appropriate level of the certification exam based on your experience, skills, and interests.

Why Microsoft Certification?

Consider a bunch of prospective employees who knew the technology well, and you possessed the certification too along with the required experience, it is your guess as well as mine as to who will land up with the job. Yes, Microsoft certification is a basis for streamlining recruitment process. A pass that could help you gain an entry to the organization, well at least the interview if not the job itself!

For whom are these certifications meant?

If your line of job falls within the provided list, then the exam/certification is for you: System administrator Network engineers Systems engineers Training – Network MIS Enterprise administrator Web administrators

What comprises MCSE 2003 Certification track?

Microsoft Certified Systems Engineer (MCSE) candidates on the Microsoft Win-dows Server 2003 track are required to pass following 6 core exams and 1 elective exam: Core Exams: Networking (4 Exams Required) 70-290: Managing and Maintaining a Microsoft Windows Server 2003 Environment. 70-291: Implementing, Managing, and Maintaining a Microsoft Windows Server 2003 Network Infrastructure. 70-293: Planning and Maintaining a Microsoft Windows Server 2003 Network Infra-structure. 70-294: Planning, Implementing, and Maintaining a Microsoft Windows Server 2003 Active Directory Infrastructure. Core Exam: Client Operating System (1 Exam Required) 70-270: Installing, Configuring, and Administering Microsoft Windows® XP Professional. 70-210: Installing, Configuring, and Administering Microsoft Windows 2000 Professional. Core Exam: Design (1 Exam Required) 70-297: Designing a Microsoft Windows Server 2003 Active Directory and Network Infrastructure (Note: May be used as Design requirement or elective, but not both). 70-298: Designing Security for a Microsoft Windows Server 2003 Network (Note: May be used as Design requirement or elective, but not both).

Passing Score

Beginning with the release of the Microsoft Windows Server 2003–related exams, Microsoft provides numerical scores on exams. The new scale requires a minimum passing score of 700 on all exams. The maximum score on the exams will vary de-pending on the complexity of the skills being measured. You can check out these de-tails on Microsoft web site to update yourself for any changes.

About the exams itself

There are seven exams in all to pass and can be tedious with the varying question patterns, scenarios etc. Unless you have poured in hours of preparation and turned in every page of every book possible you would not get a passing score in all the seven exams at one go. Knowing something about the Exam Model will help you. Most of the questions in the exam are multiple choices. The questions require the “best” answer from several close responses. Some questions may present an implementation scenario, requirements, and a proposed solution and then ask if the solution meets all of the requirements or combinations of the primary and secondary requirements. Microsoft has introduced some testing innovations for the certification exams like Hot Area, Active Screen, Drag-and-Drop, Case Study-based Test Demo, Exams with Simulations. NOTE: Exams 70-297 and 70-298 may each count once as either core design exam or elective exam.

Resources The best way to success is hands-on, hands-on and more hands-on. But then again, you would not lose if you tried a Sybex series preparation book, or MSDN site itself for the knowledge base, case study and so on. Read as many white papers as you can on all Microsoft technologies; it is the best way to understand a technology from the basics. Lastly do not appear for the exam before trying your hands on a good exam simulator, especially if your money and time are precious to you. Be Warned! Studying or cramming will no longer do. These exams now carry simulation-based questions. If you were till now being questioned on the concept of Disk administrator utility, you may now be asked to actually use it in the exam. There-fore, your only choice is not only be aware of all the administrative and maintenance toll in Windows 2003 but also be good at it!

Professionals benefiting from Microsoft Certifications

The Microsoft Certifications cater to the following audience: Network administrators Network engineers Systems engineers Security analysts Mail server administrators Operating system administrators Web server administrators Manager of information systems

Career Choices: 2010 Top 20 Career Options

In the recent time every student worried about their career that what is the best to establish their career. Here you can get the detail about which career is best for you. Software Engineer is top in this list. A new year starts with new hope, expectations and demands; same is the situation in career when we talk about it. According to US News and Word Reports, the 20 different careers ranked at the top of the list this year. My personal experience says that science and technology is the best filed to established career.

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2010 Best Career options

Software Engineer: This is the present and future of IT jobs. With the growing numbers of MNCs, the demand for computer software engineering is also rising.

Mass Communication: The wide range of news channels, newspapers and other forms of media is rising continually which will continue demanding people in greater number.

Network Administrator: Modern generation is becoming computer and internet world, that’s why in future Network administrator will be high in demand whose responsibility is to maintain computer hardware and software comprising a computer network.

Biomedical Engineer: The healthcare industry is on continual growth, giving a lot of scope to the people to build their career strong in this field. Biomedical engineering will remain one of the most demanding jobs this year.

Security: Nowadays, crime rate become very high which will demand for security jobs. Security jobs always remain strong. This year, police officers and security guards will be in high demand.

Accounting: Taxes, just like death, is a sure thing. The assistance of an accountant will always required by an individual or a company on the whole who get desperate for more deductions and give a hard look at their calculations.

Physical Therapist: Thanks to the Internet job world which is giving rise to physical ailments, demanding the need of a physical therapist. The job of a physiotherapist was highest in 2009 list.

Alcohol: Alcohol is one thing which will never face downturn in the market. Manufacturers and distributors of this industry will continue to succeed.

Overseas education: If there is a rise in young working professionals, the rise in the demand of overseas education is understood.

Animation: It is again demands highly in the sectors like media and entertainment and growing online applications, etc.

Choose the best wifi network with the small wifi tool

Now there are more and more wifi hot spots around us. There are many free wifi networks for option no matter in the open air, wholesale company, school or the coffe shop. But how can we choose a wireless network with the best signal?

inSSIDer
inSSIDer is a world famous wifi network searching software launched by MetaGeek. It can help the user to search all the wifi hot spots of the wireless device area. And it can tell the user the basic information of the hot spots, signal intensity and busy channel. In addition, it supports 2.4GHz and 5GHz dual band search.

inSSIDer 2.0
We can see the MAC address, SSID, wireless signal intensity, channel, cipher mode and largest transmission rate of each hot spot by searching the wireless hot spots through inSSIDer. InSSIDer also provides the news report, network filter and GPS.

WirelessMon
It’s an early typical wireless network scan tool. The largest feature is easy to use and the basic network information is accurate and reliable. With the WirelessMon software, we can see the signal intensity of the present wireless network and the prestent most crowded wireless channel. We can also see the network state, SSID, channel, signal intensity, wireless rate as well as the MAC address. But it’s a pity that WirelessMon will recognize some 300M wireless network as the 54M network.

 

With the software, we can also check the details of the clients including MAC address, IP address, DHCP server, network bandwidth and receiving and sending rate. The WirelessMon is easy to use. And it’s convenient to check the information.

Xirrus Wifi inspector
Xirrus Wifi Inspector is wifi network scan software with the rich interface. It can provide the user with the wireless network signal searching and network hot spot information. It can tell you which the wifi hot spot with the strongest signal is in the radar scan mode. And its unique network and network quality test is very eye-catching.

The interface is vey rich. In the radar scan way, it can tell you the signal intensity of each wifi hot spot. In addition, the wireless hotspot which is connecting by the user will be marked with different colors. It makes the user have the more direct comparison.

The great feature is not its rich interface, but the network rate and quality test function. The user can gain a good knowledge of the chosen wifi hot spots.

An Overview of Network Discovery Tool

If there is not sufficient documentation, there are fair chances that an organization will face issues with its network administrators by coming up with a division between the devices that are associated with the network and all the information regarding the devices. These two are needed for even the usual maintenance and even to diagnose and even troubleshoot the issues of a network. Sans an effective and automated network discovery tool which plays a vital role in facilitating the visualization of the network structure that keeps on changing, the initial assessments become very time taking as well as worthless work. But it is surprising to find that there are some companies that still make use of a haphazard approach to figure out the basic infrastructure of their data network, which is very important to everyday operations.

Usually, the main function of a discovery tool is to aid the administrators to figure them out as logical as well as physical organizations. The physical infrastructure includes the devices, which consist of the network, generally from a core backbone down of high-speed to separate desktop workstations and also the cables, ports, and connectors that are available in or between them. These physical elements can be considered as the representation of the logical network which help the applications as well as protocol that serve the system the way it should be. The logical network usually consist of things such as Windows domains, IP subnets, and VLANs.

 

These tools are available in bulk. Some of the features which are used for enterprising administrators will require the tool as they are used to assess the network topology. If you arrange them in a particular order, they can be like this:

  • A tool which collects all the information which are relevant about the structure of the network and come up with its clear presentation.
  • A tool which will come out to be a great help when it is about planning the growth of the network.
  • A tool which will prove to be a wonderful aid in diagnosing the issues that are related to the network.
  • A tool which updates the overall configurations without any hassle which are based on the physical changes that have been made to the network.
  • A usual default feature of network discovery tool these days is the auto discovery. With the help of this, it devices itself to come up with some of the aspects of network discovery.

With this, we can draw the conclusion of network discovery tools.

Understanding the Components of a Home Network

Home networks are becoming more common. People want to be able to share a single broadband Internet connection to several computers in the house. There are many different devices that you can use to make up your home network. If you have never heard network terminology device names like router, hub, etc may seem confusing.

The purpose of most of these devices is to control how the network passes around information. This information is sent in the form of “packets”. I will refer to the term packet several times in this article. It simply means the data that the network is transporting. I will now explain the purpose of the major components of a home network.

What is a Hub

A hub is a device that has several Ethernet ports on the back of the device. One of these ports will likely be labeled “Uplink”. This port allows you to connect multiple hubs together, if you run out of ports on your hub. If you do not have an uplink port on your hub, the hub cannot be easily extended if you run out of ports.

A hub is a device that attaches multiple computers on an Ethernet network. If you have a number different computers that you want to connect together, you could connect each to the hub. Any packet that is sent out by any computer on the network will immediately be transmitted to the other computers. Each computer will determine if the packet was really intended for it, and filter out packets that were intended for other computers.

You really should not use a hub in a modern home network. You should always use a switch in place of a hub. Switches will be discussed in the next section.

What is a Switch

A switch is a device that has several Ethernet ports on the back of the device. One of these ports will likely be labeled “Uplink”. This port allows you to connect multiple switches together, if you run out of ports on your switch. If you do not have an uplink port on your switch, the switch cannot be easily extended if you run out of ports.

A switch serves the same function as a hub. It allows you to connect multiple computers together, so that they can exchange packets. However, a switch is much more efficient than a hub. A switch will only send Ethernet packets to the computer that the packet was intended for. Because of this you should always use a switch in place of a hub.

What is a Router

A router is a device that has several Ethernet ports on the back of the device. One of the connectors will be labeled WAN. You should connect the WAN port to the Ethernet connection on a broadband source, such as a cable or DSL modem. The other ports on the router can be connected other computers or switches/hubs that will share the WAN connection.

Routers allow you to share your broadband connection with multiple computers in your house. Rather than connecting your computer directly into your cable or DSL modem you connect the router to the cable or DSL modem. Now any computer that you connect to the router will have access to the Internet.
If you run out of ports on your router you can always connect an additional switch to the router. To connect a switch to a router simply connects the switch’s “uplink” port to one of the routers Ethernet ports. Of course, don’t connect to the router’s WAN port. The WAN port should only be connected to something such as a cable or DSL router.

Some routers come with additional features installed. Most routers also include a firewall. Firewalls are discussed in the next section. Some routers will also include a wireless access point (WAP). The WAP allows you to use wireless devices, such as wireless laptops, with the Internet.

What is a Firewall

A firewall controls traffic flow between your network and the Internet. A firewall can be either hardware or software. Windows XP SP2 or higher includes a software firewall. A hardware firewall is included with most routers.

A firewall is a very good idea. It can protect you from inbound virus attempts. By inbound virus attempt I mean other computers that will connect to your computer and attempt to infect your computer. You do not want to run a computer directly connected to the Internet, without a firewall. There are just too many other computers out there that can connect and infect you without you even noticing.

What is a Network Attached Storage (NAS)

A network attached storage device is s device that allows a hard drive to be shared across the network. This hard drive is NOT attached to any of your computers. It is simply made available by the NAS. This can be a convent way to add a hard drive that can be accessed by several computers on your network. The other common way to add a network hard drive is to simply share a folder on one of your computers. However, with the NAS, you do not need to keep one of your computers on at all times.

There are two types of NAS commonly available. The first type comes with a build in hard drive. The second accepts a USB or Fire wire external hard drive. The advantage to using a USB or Fire wire hard drive is that you can upgrade the hard drive if it ever were to become too small.

What is a Print Server

Just like you can buy a device to allow you to share a hard drive, you can do the same with a printer. A print server connects directly to your printer. Your printer is then shared to all of your computers on the network. This is convent because you do not need to leave the printer hooked to a computer, which must be turned on to print.

Conclusions

As you can see there are many different components. Perhaps the final component that I ave yet to mention is the cable. These components are connected together with CAT5 Ethernet cable.

Setting up a home network within 5 minutes

TP-Link in one of the leading manufacturers of network devices for home and business applications. The devices are reliable, easy to configure and offer modern design. It is reflected by numerous prizes awarded by independent magazines round the world, which prove high quality of the devices and customer-driven policy of the manufacturer.

Create your home computer network quickly and efficiently. Have you got access to an ADSL service? If so, you can easily connect and configure Wireless ADSL2+ (Annex A) Router TP-Link TD-W8901G.
The router is integrated with 4-port switch (100 Mbps) allowing to connect (in total) four computers, printers, NAS etc., and with wireless AP (802.11b/g up to 54 Mb/s) providing wireless connectivity (Wi-Fi) to many WLAN devices (laptops etc). With TP-Link TD-W8901G you get four in one: ADSL modem, router, 4p switch, and wireless access point.

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Annex A or B? At first, the home user should get information what kind of line is provided or available. In the case of common telephone lines (POTS/PSTN), there will be needed a router with Annex A. We recommend the following TP-Link devices: TD-8840, or TD-W8910G  – the router integrated with Access Point. For digital lines (ISDN), the user has to employ a router with Annex B, such as TD-8840B.n2901+.gif

When we want to use wireless Internet connection we need device supporting WISP mode (Wireless Internet Service Provider), enabling configuration of its wireless port as WAN port, i.e. as the standard port of the router. It will enable us to route internal packets and create our own network. The router may be directly connected to an outdoor antenna through 50 ohm coax.

Keep an Eye on your Network- WLAN monitoring Tips

It is no secret that the wireless LAN service has become popular, but WLAN monitoring still seems to be a non-priority for some companies. WLAN has become a mainstay the world over. Many of them are used along with a wireless Ethernet network to boost network capabilities, while many of them are the sole networks and have completely replaced Ethernet. This means that IT managers now need to start using WLAN monitoring tools for compliance reporting, capacity planning and accounting. However, they cannot use wired network tools to do so. In order to accomplish WLAN monitoring, it is important that you combine wireless -specific monitoring tools with traditional ones.

WLAN monitoring for devices and network traffic

There are several conventional methods for analyzing and collecting information on IP traffic, application service utilization, and network device statistics. These methods can also be used on networks with wireless links. You can choose a network management system to retrieve information from access points and switches, apart from traffic monitoring tools and general-purpose analysis and reporting systems.

By using these traditional tools, you can achieve better control over the use of your WLAN. You can also control the number of devices connected to the network and the data flow contributed by each device. For example, analyzing network usage trends can help determine how device traffic affects the core WLAN infrastructure and bandwidth consumption, which is important for WLAN capacity planning.

WLAN monitoring for user session accounting

A lot of servers use authentication, authorization and accounting or AAA servers for tracking and reporting user sessions. These servers act as good WLAN monitoring by interacting with network access servers to find user data such as duration, packet count and termination cause.  An AAA infrastructure is considered to be a traditional monitoring tool, but can also be used as a WLAN monitoring tool to track wireless user sessions. If you use a wired connection along with a wireless one, you can use a general purpose AAA server for consistent accounting. This results in centralized session logs and access policies, making it easier for IT managers to control and track individual device usage.

Of course, you can also use specific WLAN monitoring tools for getting details, which is not possible with traditional tools of traffic monitoring or AAA servers. One example of such details include the average signal strength of a user and the roam list, which are quite important when you are planning the layout of the network for maximum capacity and coverage.

WLAN monitoring for RF activity

A lot of enterprises also use specialized tools to monitor the radio traffic of their WLAN. There are several traffic analyzers and distributed systems that can gather traffic events and summaries, and also troubleshoot performance, operational and security problems. The monitoring of the network when it is in transit offers IT managers a different view on WLAN usage. The tools mentioned above can only show traffic that has already entered the wireless network, but RF monitoring tools can track user activities even beyond the physical boundaries, like rogue APs and employees connected to neighboring APs. Complete WLAN monitoring depends on using all the above tools in tandem, and it is very important for IT managers to understand this.

Network Troubleshooting Solution from NetBrain

As a network engineers and responsible for the optional network, you need a good network troubleshooting tool to help you thrive from the challenge of debugging TCP/IP networks. A good network troubleshooting also can help you to document your troubleshooting work and enables you to review what you have done later; therefore you can learn from each troubleshooting project and can solve the similar problems more effectively in the future.

NetBrain Workstation is a map-driven network management solution and provides a visualnetwork troubleshooting solution for you. By using NetBrain, you can map the network problem area in seconds, and then launch network monitoring from the visual map. NetBrain diagnostically monitoring will poll the live network and then display the network data (CPU, Memory, Bandwidth, etc.) on the map. Moreover, you can visually see that which device is down, because NetBrain will mark the device abnormal with RED. You can document your work into a .doc file if you need finally, the exported word file can be printed out and re-edited, and it is really convenient.

 

Network Security Testing Product Comparison

Things are much different than they were 10 years ago. In today’s world, Internet applications and network systems are growing increasingly complex. There are many more protocols, languages, features and capabilities than ever before, but not only this, the amount of traffic and data being pushed across the networks have increased tremendously.

As such, detecting vulnerabilities or network weaknesses can take much longer than in the past. More importantly, hackers or malicious software are utilizing a wider variety of methods that can cripple or even compromise a business’s integrity. In the past, such attacks have been utilized to bring down even the largest corporate applications and servers.

Beyond network attacks, other common problems in the IP and networking world, are server delays, server overload, application slow down, and traffic spikes.

No one is immune to these kind of network issues, but there are powerful solutions already hitting the market that can test and eliminate most network problems much earlier than previous technologies.

Any company specializing in the protection and security of network infrastructures knows that proper testing and network emulation is one of the best ways a business can prevent network outages and application failures. Almost all network issues can be prevented with the appropriate testing, know-how and equipment.

In this article we will be reviewing the two competing network testing companies, Ixia andSpirent and their respective products.

Ixia specializes in Converged IP Performance Testing with clients in over 30 countries including Network and Communication Corporations, Electronics Manufacturers, Governments, and Enterprises.

Spirent Communications is a British Telecommunications company dealing in communications and network testing.

We got our hands on a number of products from Ixia and Spirent, namely the IxChariot, IxLoad, Ix Test Conductor, and Spirent Avalanche.

IxChariot is known as the world’s foremost testing tool for simulating real-world applications to predict equipment and network performance under conditions that closely mimic the real world. It simulates hundreds of protocols and conditions on wired and wireless infrastructures
IxLoad is a testing solution for converged multiplay services and application delivery platforms.

Ixia Test Conductor is an automation framework for IP network testing teams. Because it’s easy to pick up, most technicians are up and running in no time. The Test Conductor system comes fully equipped with test authoring, resource management, regression, scheduling and trend analysis.

The Spirent Avalanche 3100 provides 10Gbps capacity, with performance and security testing for network infrastructure and web application services.

We tested each tool using optimal hardware and software conditions, and used the included manuals and support staff as necessary.

In summary, the products we tested from Ixia ran more reliably than Spirent’s comparably priced devices. In fact the prices from Ixia were significantly better than Spirent. When we had any questions or problems with the equipment we also found the support from Ixia to be much more robust. For example we didn’t have any problems getting a hold of a support representative, but when trying to get someone at Spirent to answer our questions, it was like pulling teeth.

In conclusion, network security companies thinking about switching from Spirent to Ixia will find they will not only increase their ROI, but work with more dependable equipment and support personnel. All this translates into less headaches for the server technicians, and a happier work environment. In our opinion, you can’t go wrong with Ixia, a brand trusted in over 30 countries.

What is network security and why is it so important?

What is network security?

Network Security includes all the actions that businesses, institutions, and organizations take up on to protect their network, by protecting a network, companies can protect their assets, values, and ongoing operations. A secure network means that a hacker or competitor may not or have difficulties getting critical or sensitive data. A network is well secure when a user has to go through many layers before gaining access to the specified network. So, the more secure layers you have, the more secure the network is.

Why network security is so important?

Network security is a very serious topic. A computer network is probably the most significant system that is running within your home or company. A network is responsible for almost everything that the computer does such as email, web browsing, sharing files, sharing printers, etc. So if your computer network is down by any means, you or an entire company is greatly inconvenienced.

There are numerous amount of security issues that may cause a network to be down. Two of which is, (1) an attack on a personal computer. Example, a computer may be infected with viruses or spyware. (2) real time attack on the servers. Since the servers are responsible for many important functions on the network such as receiving or sending emails, or storing sensitive information about a you or a company, the  penalty would be damaging if the servers have been tampered with.

Network security measures

Since this topic is so serious, we have provided a short list of security measures to think about when you’re installing a Local Area Network (LAN).

  • Be on the lookout for bugs: A lot of computer viruses are just plain annoying, but do remember that it only takes one malicious virus to crash a network. Buy or download dependable antivirus software, keep them up-to-date and think about other security measures that may help.
  • Use physical security: This may include keeping your server in a looked room, removing disk drives from workstations that is not in use, and installing alarm systems where necessary. Remember, there is absolutely no security software program out that can protect you from someone breaking in and steal sensitive information.
  • Stay on top of network security changes: Staying on top of these changes can lower the vulnerability of your LAN. Always try to keep your operating system up-to-date with latest bug fixes and security patches. Frequently use security test to check your network for security holes and possible break-ins. Also for companies, be sure to block access or remove users accounts right after they leave your company.
  • Use secure passwords: Stay away from passwords that contain dictionary words or personal information. Also avoid giving users the option to change their passwords regularly. A poorly generated password can compromise a whole network.
  • Use a firewall: A firewall can filter through both incoming and outgoing traffic. There are software firewalls like ZoneAlarm that will protect your network against malicious programs called Trojan horses, which can allow intruders to enter and take control of your computer.

Overall, an effective network security programs involves hardware and software security, as well as programs to educate users. Users should be taught so that they will know what to do. A firewall can only block a few websites, but it is totally up to the user to take precautions when browsing the web.

Passwords are what you use to gain access to your computer or personal information that you’ve saved on it and in your online accounts. If attackers should get a hold of such information, they can use your name to open new credit card accounts, apply for a mortgage, or pretend to be you in online transactions.

Every time you logon to a system, you must be able to show that you are who you say you are. If an attacker or someone else gets a hold of your password, he or she will have full access to any information link to that password. This could involves accessing your files, your email, your student or financial records, payroll and more. Password security is a serious issue. If a password is not properly secure, it can easily wreak havoc in your life if you become a victim of Identity Theft.

Password security is one that not only affects individual users but users on networks on the internet as well. If an attacker has the right tools and education he or she can gain access and control other computers and systems on the same network and take information about local users logging on to those machines.

Finally, it does not take a highly skilled hacker to take control of a computer on which he or she has an account. A majority of these tools used to gain access are downloadable from the internet which require a little or no knowledge of how they work.

Hardware and Networking Jobs in India and What You Need to Grab Them

During the last decade, computers have become almost as ubiquitous as televisions in India. Millions of computers, in homes as well in business firms, need to be maintained and taken care of: this has created a need for people who understand the physical parts of the computers and has also increased the demand for professionals who understand systems that connect one computer to another within an organization.

Although computer manufacturing has taken a hit in the last three years, the demand for professionals capable of maintaining and repairing hardware is high. Expertise in hardware side of computers, if complemented by knowledge of software maintenance, can help one build a successful career. Knowledge about the subject is good enough to get you a job, but a degree or diploma in telecommunication, electronics or computer science increases your chances of bagging good hardware and networking jobs in India.

Hardware deals with the repair, addition and maintenance of physical computer parts, while networking is its counterpart that deals with the connection between computers which allows them to share information and other features. Seamless networking is very important to maintain internal communication between different departments of a company.

A networking professional handles a wide range of tasks: customized installation of various software and hardware devices, using LAN to connect different computers, and regular troubleshooting. This process involves setting user accounts and passwords, providing security at the level of internal network and internet, training users on newly installed systems, and ensuring that the system runs smoothly.

If you possess the right skill and knowledge, you can make your living as a LAN administrator or Network Administrator. It is vital or every medium and large organization depends on computer to hire someone to ensure smooth function of their systems. If the computers do not work, the working hours of a large number of employees whose work can be done only on a computer are wasted. The company cannot lose such precious time and it is thehardware jobs and networking professional to stop such a situation from developing.
A career in hardware and networking is chiefly for those interested in the IT sector. But diplomas and training can help you to pursue a rewarding career in this field even if you belong to some other discipline. Getting the right degrees helps you a lot in getting the right hardware and networking jobs in India. Various colleges in India offer diploma and degree courses like Cisco, Certification in Hardware and Networking JCHNE, JCHNP, MNA ,Security+, N+, Network Security, and many more, that enable you to develop the skill-set required for this type of work.

Hardware and networking are fields which will not be strongly affected even by downturns in the economy, because companies will always need people to keep their computers functioning smoothly. There are many jobs in India for someone who has invested their time in developing these skills. Also, if you are good at your work, you can use the same skills and experience to work freelance for a large number of companies and earn a good amount of money.

Get MCITP: Server Administrator, make a career move today

Many people want to get the MCITP certification, but they know very little about it. Go to Examtitan.com and get more information about it. About MCITP: Server Administrator certification: The Microsoft Certified IT Professional: Server Administrator (MCITP: Server Administrator) credential is the leading certification for Windows Server 2008, providing widely recognized, objective validation of your ability to perform critical, current IT job roles by using Microsoft technologies to their best advantage.

The MCITP certification: Focuses on a specific job role, allowing for in-depth validation of your skill set. Allows you to earn more than one MCITP certification, demonstrating your abilities across multiple roles. Builds on a combination of Microsoft Certified Technology Specialist (MCTS) prerequisites, helping you develop your technical resume with each step in your MCITP career path.

Benefits of MCITP: Server Administrator Certification: Earn an MCITP: Server Administrator certification to demonstrate your leadership and problem-solving skills in working with Windows Server 2008. Server Administrators are recognized among their peers and managers as leaders in the day-to-day operations management of Windows Server 2008. Demonstrate and communicate your ability to take system-wide ownership of Windows Server 2008 administration and increase your organization’s return on technology investment by earning the MCITP: Server Administrator certification.

 

Job Roles for MCITP: Server Administrator certified professionals: The MCITP: Server Administrator certification can help you develop and validate your skills in your current position, or propel you toward a future role, such as:

• Windows server administrator

• Server systems administrator

• Monitoring operator

• Network administrator

MCITP: Server Administrator requirements: MCITP candidates earn their MCITP: Server Administrator Credential by successfully completing three MCITP exams: two Microsoft Certified Technology Specialist (MCTS) prerequisite exams and one Professional Series exam

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Guide to Set UP a Wireless Home network

With a few simple tools and suggestions, you will learn how to set up a wireless network. Instead of dragging cables to various locations, you can choose to connect wirelessly. There are a few different setup scenarios for wireless home networks, depending on whether you already have a modem and a wired router. The main part to setup a wireless home network is the wireless router. Once you have the router set up to your internet connection all you have to do is allow the computer connects to the to the wireless router and authenticate.

Network.jpg

Choose a wireless router that matched the wireless technology of your computer. There are numerous types of wireless connection frequencies such as 802.11a, 802.11b, 802.11g, and 802.11n. In many cases the 802.11g is the most commonly used wireless router for home networking users. A wireless router is very important to networking your home because it will broadcast the Internet signal to other devices on the same network.

Use a network adapter to provide a wireless connection to your accessible computer system. In the recent time all computer made with wireless system. But if you have older computer, then you can add a wireless network adapter to it. After inserting the network adapter into your computer system, it will begin to communicate with your wireless router.

Before you begin the setup process, unplug your existing cable modem. Connect the wireless router to the cable modem via the provided ethernet cable. Plug one end into the Internet slot on the wireless router and the other end into the connection labeled ethernet on the cable modem. By plugging them into the nearest wall outlets Power your cable modem and wireless router.

Devices required for setting up the connection:

1. Wireless enabled router.
2. DSL or Cable Modem.
3. Wireless network interface card (NIC) (may not be required, if it’s already inbuilt).
4. Wired network interface card (NIC).
5. And of-course 2-3 computers (even 1 computer will do, but I don’t see any point in setting up the wireless connection with 1 computer).

Environmental Factors That Can Affect Your Network

When you think of servers crashing, usually you think of some hardware or software failure. Perhaps you even consider a rogue intruder bringing your network down, so you have the highest quality firewall installed on your network. Other factors can affect server performance that can ultimately contribute to server down time. Environmental elements can be overlooked by some network administrators. Heat, for instance, is a critical element that should be firmly controlled within network hardware.
Humidity is a major environmental factor to watch around server hardware. A server has a threshold of humidity tolerance when it is powered down that is different from when it is powered on. Humidity while a server is powered down is usually up to ninety percent. It’s largely different, however, when your server remains in a high humidity area when it is running. Humidity can cause condensation within the server’s circuit boards. Most people know that electronics and liquid water don’t combine very well. This is why it’s important to have an efficient air conditioner that properly keeps the environment at low humidity.
Heat is probably the most common elemental issue that can affect server hardware. Any high powered server can generate large amounts of heat. The hardware comes complete with many fans that can pull heat away from the hardware and into the surrounding area. Occasionally, these fans fail and that can create an issue of heat doing permanent damage to electronic components.

Good network monitoring services should detect high levels in heat or humidity. Installing humidity and heat services to monitor your server’s hardware can help you quickly know when critical thresholds of heat or humidity are being reached. With network monitoring software, your network administrators can quickly receive notification to power down servers that are becoming damaged by dangerous amount of heat being produced from such things like a failing fan.
Servers Alive by Woodstone offers great monitoring software that can give you many options for heat and humidity tracking. Its interface is easily configurable so that you can create a monitoring service that efficiently meets your needs. With top of the line output data, Servers Alive gives you constant graphs and analysis tools for creating better solutions for future outages. With simple graphs and a user interface, managers can add statistics to reports and spreadsheets for meetings and presentations.

Internet , Network Firewall Software Monitor Everything on Oyur System

Software firewalls

A software firewall has the same function as a hardware firewall. Software firewall can be directly installed onto PC. The firewall monitors all incoming and outgoing Internet traffic, and creates a barrier between the Internet into PC and everything else on PC. After successfully installed, it does not allow unauthorized access from the Internet to PC. Software firewalls are more customizable as it can be defined as different ruler on different software installed on PC to access the Internet. Many can use both a hardware firewall and a software firewall………read more

It is similar to having a fence to protect access to your yard, and then a front door to protect access to your house. With combination of both software and hardware firewall office and large enterprise will be more secured from internet related threats.

Network Monitoring

Are you looking for the ultimate solution to monitor your network? Then you should be looking for Linux networking monitoring software products to check the performance of the other computers in your organization. Software like Nagios (Big Brother, as it is popularly called) offers simplicity and effectiveness to help you protect your network from the unwarranted use of office software by employees.Every business, whether big or small, would need to know more than just who the visitors to their website are, and Linux networking monitoring software can help you achieve that. Network monitoring software helps you monitor for any unauthorized access to your computer network, including sabotage activities.
Some of the major areas that network monitoring software cover are checking the network for virus attacks, uptime and downtime of the servers, making backups of your important files and folders, giving you an overview of your bandwidth usage and monitoring your website traffic to find the causes of congestion in your network.Network monitoring software also prepares reports on the uptime, downtime, virus attacks and even online and offline time. Networking monitoring can be done both internally as well as through remote-controlling devices.

Monitoring technology should be based on certain standards. Your software should adhere to regulations such as Simple Network Monitoring Protocol (SNMP) in order to simplify setup and installation and to avoid getting locked into one vendor’s solution.Before you can purchase network monitoring software, you need to get a thorough compatibility check done by a reliable third-party vendor. It could be from your own computer vendor or the manufacturing company.You could get reviews of networking monitoring software beforehand in some computer magazines online as well as offline. Finally, be choosy about the software you purchase.

Network Monitoring Software provides detailed information on Network Monitoring Software, Free Network Monitoring Software, Network Status Monitoring Soft ware, Linux Network Monitoring Software and more. Network Monitoring Software is affiliated with Free Backup Software

The Importance of Network Security to Prevent Hackers

A network is a system that allows a number of computers to be interconnected. In other words, we can also say that a network is a mode of access between distant places for the data to flow easily to and from one computer to another. It helps people stay connected around the world.
During the process of sending and receiving data there are risks of files being hacked. Therefore, in order to protect such attempts by hackers, network security is essential. The main purpose of setting up network security is to avoid the misuse or unauthorized access to the network or its component parts. Networks are large and small in size but for network security, size is not an issue. So for a network to be protected against inevitable losses, it is important to secure it with strict policies, which can only be done through network security.

Why is Network Security Important?

Network security is very important to protect confidential documents against misuse of the system. There are a number of drawbacks that can arise if network security is not launched properly, some of which include:

1. Violation of Confidentiality: Every business has some information that is required to be kept confidential from other competitors and even from their own employees.

2. Damaging Data: Data is an important and valuable asset for any company or sole proprietor as it is the core of what your information is based on. Therefore backup scripts are also set for the data to be stored on other available media. If the data is damaged by any means, then the victim will face severe loss and can cripple the business severely.

3. Manipulation of Data: When data is hacked, the hacker often leaves behind a token of accomplishment which shows how easily your network can be accessed without proper network security. Even riskier than all this is the manipulation of data in which the data is changed with another type. For example if your data is built up with values and numbers then they can be changed and the result gets devastating when reconciled and all the hard work is lost or destroyed.
Apart from the disadvantages mentioned above, there are many more potential threats that can cripple a system.

Various Kinds of Network Security Threats

Network securities are threatened by two categories: resource attacks and logic attacks. Logic attacks are strategies used to break in with system security codes and crash the software’s vulnerabilities or access by an unauthorized individual. Whereas, resource attacks, was considered to be a very common attack in the 90’s. It was done was by flooding the server with multiple requests, so that it becomes difficult for the server to manage. Some of these resource attacks include, malware which caused the network to become even more exposed to danger or defenseless.

Process of Applying a Network Security

A four step process will help guide you if you are thinking about implementing network security:

1. Security: Make sure that your network is equipped with software that is guarded by secure authentication and strict policies for authorization.

2. Observe: A constant monitor of the activities taking place on the network should be observed and safeguarded. Proper tools can help diminish the risks.

3. Testing: A constant testing of the network system should be done to check your security access and defenses by getting it attacked by a trusted agency or security testing instrument. This will give you a fair idea about the system’s defenses and improvements can be made if required.

4. Improve: After going through all these phases, improvements should be noted on a regular basis and implemented on your network for better safety.

Importance of Managed Security Services

The networking assets of a business define its success parameters. Regardless of their overpowering significance a lot of businesses do not put any efforts into securing them. Managed security services providers help businesses by designing sets of solutions that assist in protecting network assets from the persistent threats that occur on a regular basis.

If these networking assets are left unsafe from any potential security threats, they can literally cause mayhem on the operation abilities of a business as they pose threats to the company’s stability.

With the rise in the use of preventative technologies like firewalls, IPS, anti-viruses, etc. many businesses have taken preventive measures that are keeping them safe to an extent, but in today’s world, these preventive measures are generally not enough for the stable and secure future of the network assets of a business.

To be able to respond to all threats in an effective manner what businesses need is a suitable design, execution and maintenance of a procedure that is designed for businesses in particular. Most businesses do not have enough resources to create such a system on their own and that is exactly where the need for managed security services arises.

Normally, managed security services providers offer businesses with solutions such as risk mitigation, which helps in guarding the networking assets from any potential threats. They also help in improving the network visibility with proper monitoring and assist businesses in maximizing their effectiveness by enhancing the performance of the networks.

 

Not only do Managed Security Services help in providing flexibility in the expansion of IT resources to tactical projects, but it also makes network management a lot simpler in order to let the business owners fully dedicate their attention to other problems and business matters. This proactive approach also aids in reducing the network protection expenses.

Managed Security Services reduce the need for small businesses hiring permanent IT support staff. They offer a wide array of services like firewalls, VPNs, virus protection, content filtering, spam filtering, and intrusion detection and prevention services. These days when network security risks are skulking around every nook and corner, business owners should not make the mistake of leaving their network assets open to be attacked by the predators.

Cloud Guardian is one of Australia’s leading Managed Security Service providers that help businesses in protecting and securing their networks and applications. Visit their websitewww.cloudguardian.com.au or call them at 00614 0247 8298 for timely assistance regarding IT security matters.

Service Set IDentifier on Wireless Local Area Network

SSID (Service Set IDentifier) is actually a wireless local area network (WLAN). All of the wireless devices on a WLAN need to utilize the same SSID to be able to facilitate interaction with each other. SSID is also labeled: Network Name Service, Set Identifier and ESSID (Extended Service Set IDentifier).

There are usually two ways of setting SSID on wireless clients; the manual method and the automatic method. While using the manual method the SSID is placed within the client’s network settings. While using the automatic method the SSID remains automatic or blank. A public SSID which is set on the access point is normally used by network administrator. This approach facilitates the transmission of information and support to all systems within range. In a bid to enhance network security a number of the more recent wireless access points will disable the automatic SSID broadcast attribute.
SSIDs are text strings which are case sensitive. This is one particular string of letters and numbers adhering to a maximum length of 32 characters.

How a SSID WorksAn SSID identifies a 802.11(Wi-Fi) network. The SSID is actually a secret key devised by the wireless network administrator. Users will have to know the SSID in order to connect with an 802.11 wireless network. The SSID however will be found through network scanning. The SSID is displayed by default as an element of the header for each packet dispatched via the WLAN.

Radio signals are routinely broadcast by SSID access points. In cases where client machines are capable, these radio signals will be received by the systems. The client connection to the access point is facilitated via the automatic or manual configuration. Even though an SSID is commonly 32 items long, it is presented to the user using human readable ASCII format. Different access points may share an SSID if they are linked to the same wireless network. Because several wireless access points enable broadcasting of more than one SSIDs makes it possible for the construction of Virtual Access Points. These particular Virtual Access Points split a solitary physical access point into quite a few logical access points. These created logical access points feature a special set of security and network settings.
SSID Reliability Risks
The network moderators often discover that a serious management issue is caused by the fact thatthe SSID is actually a secret key instead of a public key. Because of this every single individual who is using the network must configure the SSID into their system. Consequently the network administrator needs to replace the SSID of the network in an effort to deny an user right of entry. Consequently the SSID on each and every network node must be reconfigured. Thankfully some 802.11 NICs allow for the configuration of several SSIDs in one action.

Default SSID’s
Access point vendors for 802.11 generally allow for the use of ??~any??T .This allows an 802.11 NIC to gain access to any network. Buffalo Technologies, D-Link, Cisco, Proxim, Intermec and Enterasays tend to produce wireless equipment that very often will facilitate this.The SSID is communicated in plain text format whenever a client connects to the wireless network.

CCNA 3 Chapter 3 V4.0 Answers 2010

1.

CCNA 3 Chapter 3 (1)
Refer to the exhibit. The network administrator has just added VLAN 50 to Switch1 and Switch2 and assigned hosts on the IP addresses of the VLAN in the 10.1.50.0/24 subnet range. Computer A can communicate with computer B, but not with computer C or computer D. What is the most likely cause of this problem?

There is a native VLAN mismatch.

The link between Switch1 and Switch2 is up but not trunked.

The router is not properly configured for inter-VLAN routing.

VLAN 50 is not allowed to entering the trunk between Switch1 and Switch2.

2.

CCNA 3 Chapter 3 (2)
Refer to the exhibit. The exhibited configurations do not allow the switches to form a trunk. What is the most likely cause of this problem?

Cisco switches only support the ISL trunking protocol.

The trunk cannot be negotiated with both ends set to auto.

By default, Switch1 will only allow VLAN 5 across the link.

A common native VLAN should have been configured on the switches.

3.

CCNA 3 Chapter 3 (3)
Refer to the exhibit. Which two conclusions can be drawn regarding the switch that produced the output shown? (Choose two.)

The network administrator configured VLANs 1002-1005.

The VLANs are in the active state and are in the process of negotiating configuration parameters.

A FDDI trunk has been configured on this switch.

The command switchport access vlan 20 was entered in interface configuration mode for Fast Ethernet interface 0/1.

Devices attached to ports fa0/5 through fa0/8 cannot communicate with devices attached to ports fa0/9 through fa0/12 without the use of a Layer 3 device.

4. What statements describe how hosts on VLANs communicate?

Hosts on different VLANs use VTP to negotiate a trunk.

Hosts on different VLANs communicate through routers.

Hosts on different VLANs should be in the same IP network.

Hosts on different VLANs examine VLAN ID in the frame tagging to determine if the frame for their network.

5. Switch port fa0/1 was manually configured as a trunk, but now it will be used to connect a host to the network. How should the network administrator reconfigure switch port Fa0/1?

Disable DTP.

Delete any VLANs currently being trunked through port Fa0/1.

Administratively shut down and re-enable the interface to return it to default.

Enter the switchport mode access command in interface configuration mode.

6.

CCNA 3 Chapter 3 (4)
Refer to the exhibit. SW1 and SW2 are new switches being installed in the topology shown in the exhibit. Interface Fa0/1 on switch SW1 has been configured with trunk mode “on”. Which statement is true about forming a trunk link between the switches SW1 and SW2?

Interface Fa0/2 on switch SW2 will negotiate to become a trunk link if it supports DTP.

Interface Fa0/2 on switch SW2 can only become a trunk link if statically configured as a trunk.

Interface Fa0/1 converts the neighboring link on the adjacent switch into a trunk link if the neighboring interface is configured in nonegotiate mode.

Interface Fa0/1 converts the neighboring link on the adjacent switch into a trunk link automatically with no consideration of the configuration on the neighboring interface.

Three Reasons Why You Should Master Cisco IOS Commands for Your CCNA

Mastering IOS commands are a very crucial part of your CCNA training. By the time you go for your CCNA certification exam, you must be familiar with all the essential commands. You should know how to perform different troubleshooting and configuration using the command line. If you cannot remember the IOS commands, it can be a huge obstacle for your CCNA test and beyond. In this article, we will discuss about three reasons why you require mastering IOS commands:

Simulation questions in CCNA test – Cisco has initiated simulation questions in the CCNA exam. They examine the ability of the CCNA candidate to accomplish the troubleshooting and configuration works at the command line.  This normally engages the configuration of a straightforward network or resolving something which’s out of the order within the network. Because of the complication of the simulation questions when evaluated with other types of questions, it’s usually understood that these questions carry a higher value while calculating the final mark. However, this hasn’t been authenticated by Cisco. Due to this, you must be very familiar with IOS commands so you can handle and resolve these kinds of simulation queries effortlessly and have a good chance of qualifying the CCNA exam.

Business needs – a lot of employers are seeking a network administrator with good problem detection and solving abilities. Cisco has the biggest market share regarding network tool in the enterprise division, and their market domination looks set to carry on. Largely because of this reason, most of the network troubleshooting nowadays in the business settings revolve around being able to type-in the appropriate “show” IOS commands and seek possible problems. If it’s a configuration problem, you are required to understand the appropriate configuration IOS commands also.

Other Cisco credentials – For certified rank Cisco credentials, for example the CCNP, you require to be familiar with IOS commands at a base level. If you already have great base when doing your CCNA, learning regarding how to configure Cisco network tool at a higher level becomes simpler. Employers are seeking a network administrator with good problem detection and solving abilities.

MIMIC IOS Simulator ships with many ready-to-go simulations for Cisco devices such as the 3640, 7206, 6260, 6500, GSR 12000. Moreover, MIMIC IOS Simulator supports many IOS commands and numerous Cisco applications: CEMF, Cisco Prime, CiscoWorks, CiscoWorks 2000, CiscoView and other network management applications. Users can simulate up to 100,000 devices in a single workstation by using MIMIC IOS simulator.

Linux/unix: Basic Ntp Configuration

Network Time Protocol (NTP) is an Internet protocol used for the transfer of accurate time, providing time information so that a precise time can be obtained and maintained on a network

Most UNIX and Linux operating systems provide built-in time synchronisation functionality with its NTP (Network Time Protocol) daemon. If the NTP service is not available on your version of UNIXLinux, NTP version 4 is open source and can easily be downloaded and configured, compiled and installed from www.ntp.org.

Network Time Protocol is the standard service for time dissemination across TCP/IP networks. It provides accuracies of 1-50 milliseconds, depending on the characteristics of the synchronization source and network paths.

The configuration file fro the NTP daemon is named ntp.conf and contains a list of reference clocks that it can synchronise too. The command ‘server’ specifies the reference clock, any characters after the ‘#’ symbol are comments, example:
server time-a.nist.gov # Public NTP server: NIST
driftfile /var/lib/ntp/ntp.drift

The drift file command identifies the location where the drift is recorded (sometimes referred to as a ‘frequency error). This value can be offset by NTP to ensure of increased accuracy. When configured, NTP can be controlled using the commands ‘ntpd start’ ‘ntpd stop’ ‘ ntpq –p’ (displays status)
NTP can also authenticate timing resources Note: It is strongly recommends that you configure a time server with a hardware source rather than from the internet where there is no authentication. Authentication codes are specified in the ‘ntp.keys’ file.

Specialist NTP servers are available that can receive transmissions from either GPS or national time reference broadcasts. They are relatively cheap and the signal is authenticated providing a secure time reference.

Authentication allows passwords to be specified by the NTP server and its clients. NTP passwords or keys are stored in the ntp.keys file in the following format: number M (The M stands for MD5 encryption), password:

1 M mypassword

3 M my2ndpassword

5 M my3rdpassword

Authentication for NTP has been developed to prevent malicious tampering with system synchronisation just as firewalls have been developed to protect networks from attack but as with any system of security it only works if it is utilised.

DataLink GW1000 Multi-Protocol Converter, interfacing Newer Ethernet Technologies to Older Allen-Bradley Data Highway Plus DH+ & DH-485 Networks

WHAT IS ETHERNET

Ethernet is the most widely-installed local area network ( LAN) technology, the universal communication protocol standard used for local area networks (LANs).

Ethernet networks are broadcast networks established based on the Carrier Sense Multiple Access with Collision Detection (CSMA/CD) mechanism. Collisions restrict Ethernet performance. Early Ethernet devices such as hubs work at the physical layer, and cannot confine collisions to a particular scope. This restricts network performance improvement. Working at the data link layer, switches are able to confine collisions to a particular scope. Switches help improve Ethernet performance and have replaced hubs as mainstream Ethernet devices. However, switches do not restrict broadcast traffic on the Ethernet. This affects Ethernet performance. Dividing a LAN into virtual local area networks (VLANs) on switches or using Layer 3 switches can solve this problem.

As a simple, cost-effective, and easy-to-implement LAN technology, Ethernet has become the mainstream in the industry. Gigabit Ethernet and even 10G Ethernet make Ethernet the most promising network technology.

Ethernet Network Layers
Ethernet uses passive medium and transmits data in broadcast mode. It defines protocols used on the physical layer and data link layer, interfaces between the two layers, and interfaces between the data link layer and upper layers.

Physical Layer
The physical layer determines basic physical attributes of Ethernet, including data coding, time scale, and electrical frequency.
The physical layer is the lowest layer in the Open Systems Interconnection (OSI) reference model and is closest to the physical medium (communication channel) that transmits data. Data is transmitted on the physical layer in binary bits (0 or 1). Transmission of bits depends on transmission devices and physical media, but the physical layer does not refer to a specific physical device or a physical media. Actually, the physical layer is located above a physical medium and provides the data link layer with physical connections to transmit original bit streams.

 

Data Link Layer
The data link layer is the second layer in the OSI reference model, located between the physical layer and network layer. The data link layer obtains service from the physical layer and provides service for the network layer. The basic service that the data link layer provides is to reliably transmit data from the network layer of a source device to the network layer of an adjacent destination device.

The physical layer and data link layer depend on each other. Therefore, different working modes of the physical layer must be supported by corresponding data link layer modes. This hinders Ethernet design and application.

DataLink Technologies GW1000 has become a popular Industrial Automation Converter for users needing an interface between their newer Ethernet devices and Legacy Allen-Bradley Data Highway Plus DH+ and DH-485 Networks. The GW1000 provides a way to migrate existing Data Highway Plus / DH-485 factory networks. The GW1000 is also popular with its multi-protocol feature which will be easily changed between DF1, Modbus, Modbus TCP/IP, Ethernet/IP and AB Ethernet to Allen-Bradley’s Data highway Plus (DH+) and DH485.

Home Network Attached Storage Buyers Guide

NASDrives.net Home Network Attached Storage Buyers Guide

Network attached storage (NAS) for the home is all the rage. NAS provides a way to share files, access music and movies and backup your data. To help people interested in a NAS device choose the best network attached storage for them, NASDrives.net presents this buyers guide.

What is Network Attached Storage?

Network attached storage devices are small servers dedicated to nothing but file sharing. Instead of having to physically connect a drive to your computer, you can just plug a device into your home network that provides additional storage space. Storage prices are falling and adding 250gb, 500gb or even 1 tb (terabyte) is becoming cheap and easy.

Advantages of NAS

* It’s a simple way to add data storage to all your computers rather than just one.

* Multiple computers are able to access files anytime and do not rely on a host PC for file sharing.

* Savings on your electric bill because a power hungry computer or server need not be on 24 hours a day to share files.

* New media server features allow for centralization of your music and movie library so it can be shared by everyone on your network and even streamed to home audio and video devices.

* Provides a central place for backup storage.

Explanation of features

USB Print Server – A USB printer can be connected to the NAS device and it can share the printer over the network.

Media Server – The device can stream media to any device on the network capable of receiving it. MP3’s or movies can stream to your PC or movies can stream to a media center connected to your TV.

UPnP – Universal Plug and Play. UPnP is a dynamic zero-configuration protocol used for device interconnection. That’s quite a mouthful but what it means is that UPnP devices can talk to other UPnP devices without any intervention from you. It just works.

DLNA – Digital Living Network Alliance. DLNA is a certification built on other technologies. DLNA certification insures that certified devices will be able to talk to each other and provide a minimum level of features.

RAID – Redundant Array of Inexpensive Disks. RAID, in it’s many configurations, sacrifices some disk space for a level of data redundancy. RAID 1, called mirroring, makes an exact duplicate of the primary disk. If the primary disk fails then the secondary “mirrored” disk can take it’s place until you buy a replacement. RAID only helps in cases of hardware failure and is not to be mistaken for a backup strategy. If you accidentally delete a file on the primary disk the file is deleted on the mirror as well.

FTP Server – File Transfer Protocol server. Most people will not need this and will use Windows file shares instead. Some security cameras and office scanners have the ability to save to FTP servers and in those cases, and many more, this feature would come in handy.

iTunes compatible – The NAS has the ability to publish it’s media files to a computer running iTunes. The computer with iTunes would then be able to play those media files.

USB Ports – External USB storage can be added on to extend the capacity of your NAS. This can insure your NAS is never obsolete! When you run out of space you can buy an inexpensive external USB disk and plug it into your NAS. A few systems will use these for USB printer sharing or as a host for your digital camera.

Gigabit Ethernet – 1 billion bits per second transfer rate. Most wiring done in homes or offices in the last 5 years was gigabit rated but the equipment is still a bit more expensive than 100 megabit so most homes and small offices do not support this. Gigabit will get cheaper home and SOHO use so it’s still a good feature to have.

Backup Software Included – A major reason to add NAS to your network is backups. Quite a few drives come with Windows backup software to automate this important but often overlooked task.

Vista Support – Vista removed support for some older Windows file sharing technologies and some NAS drives still rely on it. If you use Vista in your home or office, make sure the NAS says it’s Vista compatible.

Mac support – Native Mac support is spotty so make sure the device is compatible with your Mac and your version of the Mac OS. Macs are able to access Windows shares so this really isn’t much of an issue.

Active Directory support – If you’re running a Windows Server or Windows Small Business Server in your office then you need this. It allows your existing network users to use the file shares on the NAS without creating new usernames and passwords. Very handy.

Gigabit Jumbo Frames – Geekspeak for faster networking.

File access via web server – This allows you to browse files on the NAS via a web browser. This would be handy if you were trying to access it from a system that did not support Windows files sharing or if you just preferred to access the files that way.

DFS support – Distributed File System. This is another Windows technical term that means that a remote shared folder can be mirrored to the NAS device. This is great for a business with a Windows Server and multiple locations.

Accessible via the Internet – A few companies have setup central servers that act as a middleman between Internet connected users and your NAS. This makes your files accessible by anyone, anywhere. Of course, everything is password protected for security. The possibilities here are endless.

Starting a Home Network Marketing Buiness

You can find many individuals who definitely desire to work from their own home as a result of the corporate rat-race just getting worse, and with the great number of people coming into the country from other places in search of work, you could be feeling a little insecure, frightened you will be replaced by somebody who will likely work for half what you’re being paid!

All of those people searching for places of employment are really turning out to be a danger to the working people. Countless companies are getting rid of devoted and experienced employees, simply to replace them with ones that are pleased to do the job for far lower pay than you were being paid!

Home network marketing is one thing that you can begin right away even while you continue to have your other job.You can build your business as quickly as you want.Your success is up to you.But you will receive what you need to succeed and help from upline also.

Many of us who have began home network marketing businesses are doing quite well from it, problem is, so many people fail mainly because they either don’t put enough effort into it, they choose a poor system to follow that does not work for them, or they regard their business rather more like a hobby.
But you are not really like that are you? You’ve been working forty plus hours a week for a job way too long and you know that you couldn’t go through another day without doing something.  You’d be making the decisions, and you can visualize that with the knowledge that this is what you really want to be your own boss.

You can forget being held up in traffic, having to forget about lunch break and working late. No more working days and nights without seeing your children, and your husband or wife.

Awesome! Do you currently have a history in sales and marketing or a consumer oriented career? That’s better still! But if you don’t it is as easy as sharing a good movie you’ve seen, or paying a good price for something you purchased online.

Here’s the secret to success in the “work from home network marketing” arena – find someone who is getting the end results that you wish to achieve, team up with them, find out in particular what they are doing and have been working at to generate that same end result. And then just go about doing the same things.

Seriously. Building a profitable business can actually be just that easy; irrespective of the niche you have to promote.

How Can You Select The Best Network Support Company in London

In the current era, businesses must have networks regarding internal conversation, discussing data, client supervision along with a host of other essential tasks. Using a network, nevertheless, means suffering IT issues, ensuring your network is steady which downtime is reduced, and ensuring your network is up and operating when it’s needed. For a lot of businesses, through anetwork support company in London to handle their network does not make financial sense, however they still some assistance using these technical IT tasks. This could leave a small business wondering how to proceed.

There are manynetwork support companies in London, which many are great, many are good and a few are bad for the organization. Much like there are plenty of help firms to pick from, there are many ways open to get the assistance of a network support company. As many information mill nowadays altering their methods for providing IT support London to clients, additionally you need to pick the type of network support Londonservice you would like to your organization.

Primarily, there’s two kinds of network support services available in London, specificallymanaged IT services and break-fix services. In handled network type, a network support company London takes the entire duty of the network infrastructure and manages everything, from network preparing, designing as well as implementation to efficient maintenance as well as remote support solutions. These lenders will often have dedicated groups of highly expert desktop engineers who’re conscious of the latest systems and therefore are certified from main technology gamers like Microsoft, Cisco and Linux, ensuring you usually get a professional to solve your issues. Some network support Londoncompany offers positive network monitoring to recognize the problems and before they arise, which boosts the network uptime as well as augments the development of your company by leaps and bounds. Once you have selected the proper way to go for your small business, it’s the time for you to pick the best network support company London.
Ask these questions from your potential network support London provider:

  • Just how long they have experienced the network support company?
  • What system can they use to support and keep track of your network facilities?
  • What exactly are their service level contracts?
  • What specialist firms (like Cisco, Microsoft and NetApp) are they part of?
  • Would they provide a minimum of 3 references of the clients?

Whenever you consult with any one of company’s prior clients, the concerns you may ask them, are as essential as the queries you ask the companies. The advantage is that client referrals, until those are the family, don’t care if you select the firm or otherwise. Ask the concerns that will give more in depth response instead of a simple ‘yes/no’ answers, and you’ll obtain a better concept of how using the services of this network support Londoncompany will likely be.

Importance of Network Monitoring

While importance of intrusion detection from network traffic from an outside source is very important, there is also a need for network monitoring for companies within their private corporate networks. Network monitoring software can send alerts when the network goes down or becomes unavailable from hardware failure. The software can send alerts to key personnel administrators to their pager, email, or cell phone.
Good network monitoring software continues to send status messages and traffic to efficiently keep track of any outages on the network. Network monitoring watches hardware such as router or network servers for responses. Depending on the software, it can send response requests every minute up to every hour. It can also detect outages in certain software such as web server or email applications. The software can send an HTTP request to monitor a web server, or it can send an SMTP message to an email server. If there is no reply from the respective software or server, the network monitoring software interprets it as an outage and promptly alerts a network administrator.
The importance of up time for a network has increased with the reliance on technology and work computers. Even a small business can lose thousands of revenue dollars by the hour as their network stays down. This increase of lost revenue gives value to a good network monitoring software. Even after hours, network monitoring software can make sure your network administrator staff is quickly alerted so that solutions can be expedited to lower lost revenue during unexpected down time.

Network monitoring can also give vital statistics to businesses to evaluate down time. The statistics can help network administrators analyze issues on the network to better prepare for future outages. Other statistics can give a percentage of up time versus down time to evaluate profit and loss for businesses that rely heavily on network availability.
Whether you have a small business or a large corporate LAN, your network up time can improve immensely from a strategically implemented network monitoring software. Woodstone’s Server Alive network monitoring software can help keep your network monitored. Their software has extensive monitoring, a flexible alerting engine, and precise smart output for further analysis. Its output give high quality, fully complete graphs that can be used in web pages and future reports. With flexible monitoring with Woodstone’s Server Alive, your network will surely have better up time to save you money.

Axis Expansion In China Together Xiaotong Network Monitoring Market

On March 24, 2010, announced in March 2010, formally signed Axis Network Technology Co., Ltd. Beijing Xiaotong Chief of China Proxy , Xiao-Axis will work hard to develop the domestic market through the company.

Axis Zhang Yong, general manager of China, said: “Axis is a professional and Implementation Network Video IT solutions company. As a global network leader in video solutions, Axis has always been committed to promoting the traditional analog Video Surveillance Technology to the evolution of digital video surveillance technology. Axis products and solutions based on innovative, open technology platform, and has always focused on Security Surveillance and remote monitoring applications. Currently in China, Axis of growth very quickly. The dawn through a professional network technology Service providers And professional supplier of networking products, for networks with a very professional operation and a deep understanding and ability, professional networking products Sell The strength and value-added services, we believe that strong cooperation of both sides, bound to the network in the context of Chinese high-tech network monitoring market, more successful and achieve common development. ”

Xiaotong Chen Rui, general manager, said the network: “Axis to loyal, long-term partnership based business model, and the possession of the world’s leading products and focus on partner programs for customers unmatched competitive advantage. Axis Corporation as the sole agent in China, Xiao Tong will continue to uphold the ‘customer first’ beliefs, provide superior service: In addition to product sales, will also provide technical partners and customers support, outsourcing services, replacement parts and other services and products, while providing professional network Certification Training and other training programs customized for the user. In 2010 we also set up a weak division, Xiaotong Axis will make joint efforts to deepen the development of network monitoring in China, provide customers with exceptional value and experience. ”

“Globally, the size of network monitoring is growing rapidly. From the rate of increase, Axis 2009, an increase of 30% in Asia, the Chinese market is even higher. In 2010, we in China have more high goal. To this end, including the global headquarters, gave us more inclined to support policies and resources, we also will the capacity of the world’s leading communications company with the resources and Xiao widely shared. “Zhang Yong stressed.

 

Beijing Xiao Tong Network Technology Co., Ltd Introduction:

Xiaotong network is a focus on sales and value-added network services business of high-tech enterprise, is the most powerful professional network of companies. As a professional network technology service providers and professional networking products supplier, specialized networking products for many years dedicated to sales and value added services, is the distributor of Cisco products and authorized service providers, CommScope products distributor and authorized service providers, Pyle high (Pelco) product distributor and authorized service providers, partners and customers to provide technical support, outsourcing services, maintenance services, professional networking certification training and other customized training. In the country with branches in 20 cities and has more business platform. Award “Best Distributor” title and “Best Partner” title, have witnessed the dawn through the network as a specialized network of domestic distribution business prowess.

On the Axis (Axis Communications) Network Communications

Axis (AxisCommunications) is a professional network video solutions and implementation of IT companies. As a global network leader in video solutions, Axis has always been committed to promoting the traditional analog video surveillance technology to the evolution of digital video surveillance technology. Axis products and solutions based on innovative, open technology platform, and always focus on security surveillance and remote monitoring applications.

Network Security Using Honeypots And Cryptography

NETWORK SECURITY

Using

HONEYPOTS AND CRYPTOGRAPHY

Abstract

For every consumer and business that is on the Internet, viruses, worms and crackers are a few security threats. There are the obvious tools that aid information security professionals against these problems such as anti-virus software, firewalls and intrusion detection systems, but these systems can only react to or prevent attacks-they cannot give us information about the attacker, the tools used or even the methods employed. Given all of these security questions, honeypots are a novel approach to network security and security research alike.

A honeypot is used in the area of computer and Internet security. It is a resource, which is intended to be attacked and compromised to gain more information about the attacker and the used tools. It can also be deployed to attract and divert an attacker from their real targets. One goal of this paper is to show the possibilities of honeypots and their use in a research as well as productive environment.

Compared to an intrusion detection system, honeypots have the big advantage that they do not generate false alerts as each observed traffic is suspicious, because no productive components are running on the system. This fact enables the system to log every byte that flows through the network to and from the honeypot, and to correlate this data with other sources to draw a picture of an attack and the attacker.

This paper will first give an introduction to honeypots-the types and uses. We will then look at the nuts and bolts of honeypots and how to put them together. With a more advanced idea of how honeypots work, we will then look at the possible legal ramifications for those who deploy them. Finally we shall conclude by looking at what the futureholds for the honeypots and honeynets.

1. INTRODUCTION

Global communication is getting more important every day. At the same time, computer crimes are increasing.

Countermeasures are developed to detect or prevent attacks – most of these measures are based on known facts, known attack patterns. As in the military, it is important to know, who your enemy is, what kind of strategy he uses, what tools he utilizes and what he is aiming for. Gathering this kind of information is not easy but important. By knowing attack strategies, countermeasures can be improved and vulnerabilities can be fixed. To gather as much information as possible is one main goal of a honeypot.

Generally, such information gathering should be done silently, without alarming an attacker. All the gathered information leads to an advantage on the defending side and can therefore be used on productive systems to prevent attacks.

WHAT IS A HONEYPOT?

A honeypot is primarily an instrument for information gathering and learning. A honeypot is an information system resource whose value lies in the unauthorized zed or illicit use of that resource. More generally a honeypot is a trap set to deflect or detect attempts at unauthorized use of information systems. Essentially; honeypots are resources that allow anyone or anything to access it and al production value. More often than not, a honeypot is more importantly, honeypots do not have any resimply an unprotected, unpatched, unused workstation on a network being closely watched by administrators.

Its primary purpose is not to be an ambush for the blackhat community to catch them in action and to press charges against them. The focus lies on a silent collection of as much information as possible about their attack patterns, used programs, purpose of attack and the blackhat community itself. All this information is used to learn more about the blackhat proceedings and motives, as well as their technical knowledge and abilities. This is just a primary purpose of a honeypot. There are a lot other possibilities for a honeypot – divert hackers from productive systems or catch a hacker while conducting an attack are just two possible examples.

WHAT IS A HONEYNET?

Two or more honeypots on a network form a honeynet. Typically, a honeynet is used for monitoring and/or more diverse network in which one honeypot may not be sufficient. Honeynets (and honeypots) are usually implemented as parts of larger network intrusion-detection systems. Honeynet is a network of production systems.  Honeynets represent the extreme of research honeypots. Their primary value lies in research, gaining information on threats that exist in the Internet community today.

The two main reasons why honeypots are deployed are:

1. To learn how intruders probe and attempt to gain access to your systems and gain insight into attack methodologies to better protect real production systems.

2. To gather forensic information required to aid in the apprehension or prosecution of intruders.

TYPES OF HONEYPOTS:

Honeypots came in two flavors:

  • Low-interaction
  • High-interaction.

Interaction measures the amount of activity that an intruder may have with honeypot.In addition, honeypots can be used to combat spam.

Spammers are constantly searching for sites with vulnerable open relays to forward spam on the other networks. Honeypots can be set up as open proxies or

relays to allow spammers to use their sites .This in turn allows for identification of spammers.

We will break honeypots into two broad categories, as defined by Snort ,two types of honeypots are:

  • Production  honeypots
  • Research honeypots

The purpose of a production honeypot is to help mitigate risk in an organization. The honeypot adds value to the security measures of an organization. Think of them as ‘law enforcement’, their job is to detect and deal with bad guys. Traditionally, commercial organizations use production honeypots to help protect their networks. The second category, research, is honeypots designed to gain information on the blackhat community. These honeypots do not add direct value to a specific organization. Instead they are used to research the threats organizations face, and how to better protect against those threats.

HONEYPOT ARCHITECTURE:

1. Structure of a LOW-INTERACTION HONEYPOT (GEN-I):-

A typical low-interaction honeypot is also known as GEN-I honeypot. This is a simple system which is very effective against automated attacks or beginner level attacks.

Honeyd is one such GEN-I honeypot which emulates services and their responses for typical network functions from a single machine, while at the same time making the intruder believe that there are numerous different operating systems .It also allows the simulation of virtual network topologies using a routing mechanism that mimics various network parameters such as delay, latency and ICMP error messages.

The primary architecture consists of a routing mechanism, a personality engine, a packet dispatcher and the service simulators. The most important of these is the personality engine, which gives services a different ‘avatar’ for every operating system that they emulate.

DRAWBACKS:

1. This architecture provides a restricted framework within which emulation is carried out. Due to the limited number of services and functionality that it emulates, it is very easy to fingerprint.

2. A flawed implementation (a behavior not shown by a real service) can also render             itself to alerting the attacker.

3. It has constrained applications in research, since every service which is to be studied   will have to be re-built for the honeypot.

2. Structure of a HIGH INTERACTION HONEYPOT (GEN-II):-

A typical high-interaction honeypot consists of the following elements: resource of interest, data control, data capture and external logs

(“known your enemy: Learning with Vmware, Honeynet project”); these are also known as GEN-II honeypots and started development in 2002.They provide better data capture and control mechanisms. This makes them more   complex to deploy and maintain in comparison to low-interaction    honeypots.

High interaction honeypots are very useful in their ability to identify vulnerable services and applications for a particular target operating system. Since the honeypots have full      fledged operating systems, attackers attempt various attacks providing administrators with very detailed information on attackers and their methodologies. This is essential for researchers to identify new and unknown attack, by studying patterns generated by these honeypots

DRAWBACKS:

However, GEN-II honeypots do have their drawbacks as well.

1. To simulate an entire network, with routers and gateways, would require an extensive computing infrastructure, since each virtual element would have to be installed in it entirely. In addition this setup is comprehensive: the attacker can know that the network he is on is not the real one. This is one primary drawback of GEN-II.

2. The number of honeypots in the network is limited.

3. The risk associated with GEN-II honeypots is higher because they can be used easily as launch pads for attacks.

COMPARISON:

Feature Gen-I Gen-II Number of virtual systems/ services that can be deployed Large Small Data Control Limited Extensive Level of Interaction Low High Ability to discover new attcks Low High Risk Low High

BUILDING A HONEYPOT:

To build a honeypot, a set of Virtual Machines are created. They are then setup on a private network with the host operating system. To facilitate data control, a stateful firewall such as IP Tables can be used to log connections. This firewall would typically be configured in Layer 2 bridging mode, rendering it transparent to the attacker.

The final step is data capture, for which tools such as Sebek and Term Log can be used. Once data has been captured, analysis on the data can be performed using tools such as Honey Inspector, PrivMsg and SleuthKit.

Honeypot technology under development will eventually allow for a large scale honeypot deployment that redirects suspected attack traffic to honeypot. In the figure an external attacker:

1. Penetrates DMZ and scans the network IP address

2. The redirection appliance

3. Monitors all unused addresses, and  uses Layer 2 VPN technology to enable firewall

4. To redirect the intruder to honeypot

5. Which may have honeypot computers mirroring all types of real network devices.

6. Scanning the network for vulnerable systems is redirected

7. By the honeypot appliance when he probes unused IP addresses

RESEARCH USING HONEYPOTS:

Honeypots are also used for research purposes to gain extensive information on threats, information few other technologies are capable of gathering. One of the greatest problems security professionals face is lack of information or intelligence on cyber threats. How can your organization defend itself against an enemy when you do not know who the enemy is? Research honeypots address this problem by collecting information on threats. Organizations can then use this information for a variety of purposes including analyzing trends, identifying new methods or tools, identifying the attackers and their communities, ensuring early warning and prediction or understanding   attackers motivation.

ADVANTAGES OF HONEYPOTS:

1. They collect small amounts of information that have great value.  This captured information provides an in-depth look at attacks that very few other technologies offer.

2. Honeypots are designed to capture any activity and can work in encrypted networks.

3. They can lure the intruders very easily.

4. Honeypots are relatively simple to create and maintain.

DISADVANTAGES OF HONEYPOTS:

1. Honeypots add complexity to the network. Increased complexity may lead to increased exposure to exploitation.

2. There is also a level of risk to consider, since a honeypot may be comprised and used as a platform to attack another network. However this risk can be mitigated by controlling the level of interaction that attackers have with the honeypot.

3. It is an expensive resource for some corporations. Since building honeypots requires that you have at least a whole system dedicated to it and this may be expensive.

LEGAL ISSUES PERTAINING HONEYPOTS:

Most of the research found in this area concluded that there are three major legal spectrums concerning honeypots:

  • Entrapment,
  • Liability
  • Privacy.

1. ENTRAPMENT:

Entrapment is when somebody induces the criminal to do something he was not otherwise supposed to do.Honeypots should generally be used as defensive detection tools, not an offensive approach to luring intruders.

2. PRIVACY:

The second major concern is what information is being tracked: operational data and transactional data. Operational data includes things like addresses of user, header information etc while transactional data includes key strokes, pages visited, information downloaded, chat records, e-mails etc. Operational data is safe to track without threats of security concern because IDS system routers and firewalls already track it. The major concern is transactional data. The more contents a honeypot tracks, more privacy concerns get generated.

3. LIABILITY:

Is the owner of the honeypot liable for any damage done by that honeypot? They will be safe as long as honeypots are used for directly securing the network.

SOME COMMERCIAL HONEYPOTS AND HELPFUL SOFTWARE:

1. CYBERCOP STING BY NETWORK ASSOCIATES:

This product is designed to run on Windows NT and is able to emulate several different systems including LINUX, SOLARIS, CISCO IOS and NT. It is made to appeal to hackers for looking as if it has several well-known vulnerabilities.

2. BACK OFFICER FRIENDLY BY NFR:

This product is designed to emulate a Back Orifice server. BOF (as it is commonly called) is a very simple but highly useful honeypot developed by Marcus Ranum and crew at NFR. It is an excellent example of a low interaction honeypot. . It is a great way to introduce a beginner to the concepts and value of honeypots. BOF is a program that runs on most Windows based operating system. All it can do is emulate some basic services, such as http, ftp, telnet, mail, or BackOrrifice.

3. TRIPWIRE BY TRIPWIRE:

This product is for use on NT and UNIX machines and is designed to compare binaries, and inform the server operator, which has been altered. This helps to protect machines from would be hackers and is an excellent way to determine if a system has been compromised.

4. SPECTER:

Specter is a commercial product and low interaction production honeypot. It is similar to BOF, but it can emulate a far greater range of services and a wide variety of operating systems. Similar to BOF, it is easy to implement and low risk. Specter works by installing on a Windows system. The risk is reduced as there is no real operating system for the attacker to interact with. Specters value lies in detection. It can quickly and easily determine who is looking for what. As a honeypot, it reduces both

false positives and false negatives, simplifying the detection process, supporting a variety of alerting and logging mechanisms. One of the unique features of Specter is that it also allows for information gathering, or the automated ability to gather more information about the attacker

5. MANTRAP:

Mantrap is a commercial honeypot. Instead of emulating services, Mantrap creates up to four sub-systems, often called ‘jails’. These ‘jails’ are logically discrete operating systems separated from a master operating system. Security administrators can modify these jails just as they normally would with any operating system, to include installing applications of their choice, such as an Oracle database or Apache web server, thus making the honeypot far more flexible. The attacker has a full operating system to interact with, and a variety of applications to attack. All of this activity is then captured and recorded. Currently, Mantrap only exists on Solaris operating system.

RELATED WORK:

Much work has been performed using the concept of honeypots i.e., an illicit resource to which any and all traffic or access is deemed to be suspect.

1. TARPITS:

One of the easiest ways to identify vulnerable systems is by using a tool called a scanner or a spider .This brute forces attacks on a whole range of IP addresses, attempting to find vulnerable hosts. This is where a tarpit comes handy. A tarpit blocks a scanner by responding to its first TCP setup message, but ignoring the rest .This simple approach causes the scanner to allocate buffers, start timers and retry, since it believes it has found a valid host .This process repeats until the scanner exhausts its memory and CPU resources and crashes or slows down to an almost unproductive speed.

2. HONEY TOKENS:

It is a data entity whose value lies in the inherent use of data. Honey tokens are entities such as false medical records, incorrect credit card numbers and invalid social security numbers. The very act of accessing these numbers, even by legitimate entities is suspect. This concept is especially useful in preventing larger classes of attacks.

FUTURE WORK:

Honeypots are a new field in the sector of network security. Currently there is a lot of ongoing research and discussions all around the world. Several companies have already launched commercial products. A comparison of available products showed that there are some usable low- to high-involvement honeypots on the market. In the sector of research honeypots, self-made solutions have to be developed as only these solutions can provide a certain amount of freedom and flexibility which is needed to cover a wide range of possible attacks and attackers. Each research honeypot normally has its own goals or different emphasis on the subject. Developing a self-made solution needs a good technical understanding as well as a time intensive development phase.

There is an inherent scope for the research community to be misled by script kiddies, while sophisticated attackers plan more devastating attacks on computer systems across the globe. Although fingerprinting a honeypot is easier said than done, most attackers worth their salt would stay away from any computer system that they deem to be monitoring their activities. Thus in reality, for honeypots to be truly effective, they require to be residing very close to a legitimate resource, probably even on the same network.

This would definitely serve as a precursor to any attacks on the production system making honeypots a true window to the future.

CONCLUSION:

Honeypots are positioned to become a key tool to defend the corporate enterprise from hacker attacks it’s a way to spy on your enemy; it might even be a form of camouflage. Hackers could be fooled into thinking they’ve accessed a corporate network, when actually they’re just banging around in a honeypot — while the real network remains safe and sound.

Honeypots have gained a significant place in the overall intrusion protection strategy of the enterprise. Security experts do not recommend that these systems replace existing intrusion detection security technologies; they see honeypots as complementary technology to network- and host-based intrusion protection.

The advantages that honeypots bring to intrusion protection strategies are hard to ignore. In time, as security managers understand the benefits, honeypots will become an essential ingredient in an enterprise-level security operation.

We do believe that although honeypots have legal issues now, they do provide beneficial information regarding the security of a network .It is important that new legal policies be formulated to foster and support research in this area. This will help to solve the current challenges and make it possible to use honeypots for the benefit of the broader internet community.

Network Security Revolution

Network security is always been the most concerning topic for the experts. Every one wishes to keep their network safe from hackers. We are in the age of network security revolution.

Many companies have been trying to launch a product that keeps the network safe from hackers. As the volume of data keeps increasing it is indispensable to focus on network security.

There are certain expectations from sender of data so that it reaches the receiver safely. The confidentiality of the users are greatly broken if the data is susceptible to hacking. There is a great need to maintain the confidentiality and data integrity. The users want to identify the sender of the message and the receiver must have the ability to prove that a message has been sent by the sender. Lots of money has been invested to bring a revolution in network security.

There are four aspects of network security which includes privacy, authentication, integrity, non-repudiation. The basic thing expected by any user of the network is privacy. Every sender expects only the receiver to receive the message. To all other people the method must not be in the readable form.

Authentication is another factor which expects the sender to take full ownership of the data and it prevents any hacker to compose data and send it in the name of the sender.

Integrity is the factor which expects the sender to receive data in the form sent by the sender and there must not be any change in the data while being received by the receiver.

Non repudiation is the factor which enables the receiver to prove that a message has been sent by the sender. This is an important point which is greatly expected by the users of the data.
Privacy of data is ensured by encryption and decryption techniques. Secret key encryption and decryption is a popular method in which a secret key is used by both the parties. These algorithms are normally called the symmetric algorithm as the use the same key in both the directions. Public key algorithm is another method and is rather easy as it employs a common key to decrypt the message. One can combine the public key and secret key algorithm to generate good mechanisms that guard’s privacy.

Digital signature is another method where the whole document is signed in order to maintain authentication, integrity. One can sign the document using public key encryption and a private key is used to encrypt while a public key is used to decrypt.

There is one more method called pretty good privacy which tries to guard all four aspects of security.

Access authorization is another method used to protect the security. It is based on a very simple concept where a person who requires entering must know a pass code. Thus it is based on archaic idea and it ensures good security.

There are also access authorizations techniques based on public keys where public and private keys are used by the requesting party.

There are lots of advancements in network security and many algorithms try to cover the loopholes in security in order to ensure a hacker free network.

CCNA 3 Chapter 4 V4.0 Answers 2010

1. Which statement is true when VTP is configured on a switched network that incorporates VLANs?

VTP is only compatible with the 802.1Q standard.

VTP adds to the complexity of managing a switched network.

VTP allows a switch to be configured to belong to more than one VTP domain.

VTP dynamically communicates VLAN changes to all switches in the same VTP domain.

2.

CCNA 3 Chapter 4 V4.0 Answers (1)
Refer to the exhibit. What information can be learned from the output provided?

It verifies the configured VTP password.

It verifies the VTP domain is configured to use VTP version 2.

It verifies VTP advertisements are being exchanged.

It verifies the VTP domain name is V1.

3.

CCNA 3 Chapter 4 V4.0 Answers (2)
Refer to the exhibit. Which two facts can be confirmed by this output? (Choose two.)

If this switch is added to an established network, the other VTP-enabled switches in the same VTP domain will consider their own VLAN information to be more recent than the VLAN information advertised by this switch.

This switch shows no configuration revision errors.

This switch has established two-way communication with the neighboring devices.

This switch is configured to advertise its VLAN configuration to other VTP-enabled switches in the same VTP domain.

This switch is configured to allows the network manager to maximize bandwidth by restricting traffic to specific network devices.

4. A network administrator is replacing a failed switch with a switch that was previously on the network. What precautionary step should the administrator take on the replacement switch to avoid incorrect VLAN information from propagating through the network?

Enable VTP pruning.

Change the VTP domain name.

Change the VTP mode to client.

Change all the interfaces on the switch to access ports.

Seo Strategy: The 2 Basic Rules To Win Competition

Why Seo Strategy To Succeed? 

Seo stands for “Search Engine Optimization” and it consists on a set of rules you may probably want to know that will allows you to rank your pages a lot better in the searching engine, and this Seo Strategy is about to teach you the basic steps to get on the first page of Google.

But why is the Seo Strategy so important for your success? Well, you probably already know that Google is the most ranked site on the net and that 99% of users use this powerful searching engine to find out content on a daily base. So  if we want lots of traffic for our website why don’t we ask Google to be friends? Make sense? And the way we can be friendly in front of Google eyes is to know which are the Google preferences.

Well, Seo Strategy is about that. A set of rules that you may want to follow to if you want Google ranks you. I’ve already explained those rules in a previous post but now we need to move forward and identify the path you have to follow to make it work in a very effective way.

Main Seo Strategy Basics

There is a lot to talk about Seo Strategy and I’ll give you more advanced knowledge on the next post but now you need to know what it takes at the beginning to move yourself into the right way.

1 – This is the first secret you have to master on the Seo Strategy, and this also the most important one, 93% of marketers fail in Seo and you have to know that 93% of marketers don’t follow this simple rule, there must be a connection, isn’t? This first secret is called: Patience!! Now, I know what you are thinking, “I already know it”!! Well, I have a few considerations.

Network marketing is a business, do you know how much time you need to put a business to be effective and to gives you good incomes? Years!! Literally years, no lie. Lots of marketers try this strategy and move to another strategy after a week and a half saying: It doesn’t work? Now answer me: Means this being patient? Are you kidding? Now, network marketing is a bit different business compare to others, I mean you can get to the first page of Google for certain keywords in under a week if you know what you are doing but how can you know how to do it well the really first try? Do it for the next 100 articles as the start of Seo Strategy, are too much? One article a day? 30 minutes a day? I don’t think so, if you do a bit of keyword research and write those articles it’s impossible to not get ranked on the first page for some of them, impossible.

2 – The second secret of the Seo Strategy is: Taking Massive Actions. Have I told you to to 100 articles? Do it before moving on. Testing and tracking, look at those how reached the first page and try to understand why. Was the competition low? Good, write post about the things with low competition. Was your keyword in the title, in the first and last sentences, in the body a few time, in the alt tag of an image, in the description, etc etc etc… This is the second step of the Seo Strategy, do what worked for you and emulate that. Google algorithm continue to change. But decide what you want to do in a massive action and do it, without question. Don’t waste time on minus details, rock it in a greatest way. The more massive your actions are, the more the results.

If you decide to start a Seo Strategy is probably because you had understood the value of Seo and all the benefit it will give to your business.

Basic Overview of Human Area Networking Technology

Human society is entering an era of ubiquitous computing, when networks are seamlessly interconnected and information is always accessible at our fingertips. The practical implementation of ubiquitous services requires three levels of connectivity: Wide Area Networks (WAN), typically via the Internet, to remotely connect all types of severs and terminals; Local Area Networks (LAN), typically via Ethernet or WiFi connectivity among all the information and communication appliances in offices and homes; and Human Area Networks (HAN) for connectivity to personal information, media and communication appliances within the much smaller sphere of ordinary daily activities the last one meter.

What is RedTacton?

RedTacton is a new Human Area Networking technology that uses the surface of the human body as a safe, high speed network transmission path!!

RedTacton is a break-through technology that, for the first time, enables reliable high-speed HAN. In the past, Bluetooth, infrared communications (IrDA), radio frequency ID systems (RFID), and other technologies have been proposed to solve the “last meter” connectivity problem. However, they each have various fundamental technical limitations that constrain their usage, such as the precipitous fall-off in transmission speed in multi-user environments producing network congestion.

1. RedTacton uses the minute electric field emitted on the surface of the human body. Technically, it is completely distinct from wireless and infrared.
2. A transmission path is formed at the moment a part of the human body comes in contact with a RedTacton transceiver. Physically separating ends the contact and thus ends communication.
3. Using RedTacton, communication starts when terminals carried by the user or embedded in devices are linked in various combinations according to the user’s natural, physical movements.
4. Communication is possible using any body surfaces, such as the hands, fingers, arms, feet, face, legs or torso. RedTacton works through shoes and clothing as well.

Basic Principle

RedTacton takes a different technical approach. Instead of relying on electromagnetic waves or light waves to carry data, RedTacton uses weak electric fields on the surface of the body as a transmission medium.
1. The RedTacton transmitter induces a weak electric field on the surface of the body.
2. The RedTacton receiver senses changes in the weak electric field on the surface of the body caused by the transmitter.
3. RedTacton relies upon the principle that the optical properties of an electro-optic crystal can vary according to the changes of a weak electric field.
4. RedTacton detects changes in the optical properties of an electro-optic crystal using a laser and converts the result to an electrical signal in an optical receiver circuit.

The three major functional features of RedTacton are highlighted below.

1. A communications path can be created with a simple touch, automatically initiating the flow of data between a body-centric electronic device and a computer that is embedded in the environment. For example, two people equipped with RedTacton devices could exchange data just by shaking hands. A wide range of natural human actions — grasping, sitting down, walking, or standing in a particular place — can be used to trigger RedTacton to start a networked process.

2. Using a RedTacton electro-optic sensor, two-way communication is supported between any two points on the body at a throughput of up to 10 Mbps. Communication is not just confined to the surface of the body, but can travel through the user’s clothing to a RedTacton device in a pocket or through shoes to communicate with a RedTacton device embedded in the floor. Unlike wireless technologies, the transmission speed does not deteriorate even in the presence of large crowds of people all communicating at the same time in meeting rooms, auditoriums or stores. Because the body surface is the transmission path, increasing the number of connected users directly increases the available number of individual communication channels.
3. RedTacton can utilize a wide range of materials as a transmission medium, as long as the material is conductive and dielectric, which includes water and other liquids, various metals, certain plastics, glass, etc. Using ordinary structures such as tables and walls that are familiar and readily available, one could easily construct a seamless communication environment at very low cost using RedTacton. (Note that constraints are imposed by the length and environment of the propagating conductor, and by the thickness of the dielectric.)

Mechanism of communication with RedTacton

The transmitter sends data by inducing fluctuations in the minute electric field on the surface of the human body. Data is received using a photonic electric field sensor that combines an electro-optic crystal and a laser light to detect fluctuations in the minute electric field.

The naturally occurring electric field induced on the surface of the human body dissipates into the earth. Therefore, this electric field is exceptionally faint and unstable.

The photonic electric field sensor developed by NTT enables weak electric fields to be measured by detecting changes in the optical properties of an electro-optic crystal with a laser beam.

Features

RedTacton has three main functional features.

(1) Touch: Touching, gripping, sitting, walking, stepping and other human movements can be the triggers for unlocking or locking, starting or stopping equipment, or obtaining data.
(2) Broadband & Interactive: Bandwidth does not deteriorate even with duplex operations and simultaneous access by many users! Duplex, interactive communication is possible at a maximum speed of 10Mbps. Because the transmission path is on the surface of the body, transmission speed does not deteriorate in congested areas where many people are communicating at the same time.
(3) Any media: In addition to the human body, various conductors and dielectrics can be used as transmission media. Conductors and dielectrics may also be used in combination.

Network Marketing Success tips: 9 basic action motives

I had an interesting experience today. I lead a team of talented people who manage a chain of retail shops in the auto industry, and I had to tackle a compliance issue with one of our staffs. The staff doesn’t wear safety shoes at work, which is a serious safety hazard. He claims that he is more comfortable in flip-flops! This has been going on for a few months now. Initially I used verbal advice and warnings, which obviously had no impact. So today I had to resort to a written warning with an ultimatum. This whole incident got me thinking as to why some people take action and some don’t. What is it that I must do to get this guy to see what I am seeing? In this case, my staff chose not to wear shoes, even after repeated attempts to correct the situation. That’s when I remembered the teachings of Napoleon Hill, which all of a sudden flashed in my mind.

Napoleon Hill said, “No man, apart from the insane, takes any sort of action without a motive”. So if we need someone to take a specific action then it becomes imperative that we provide a sufficient motive. This especially applies in the field of sales and the Network Marketing industry. Many networkers struggle to recruit people because of this very reason. They fail to plant a sufficient motive in the minds of the buyer, to ensure a sale. And what are the 9 basic motives? They are: Emotion of Love, Emotion of Sex, Desire for Material Gain, Desire for Self-Preservation, Desire for freedom of body and mind, Desire for self-expression and recognition, Desire for life after death, Desire for revenge and Emotion of Fear. Among the 9 motives, the first 7 are positive and last 2 are negative.

 

In the business world, especially in Network Marketing industry, the most powerful of motives is the Desire for Material/Financial Gain. If you are struggling to recruit people in your organization, then I would suggest you take a look at your presentation and see whether or not you address this particular motive ‘Desire for Financial Gain’ strongly. If not, then probably that’s why you are not striking the success note.

There is wonderful Japanese proverb: ‘When you buy a vase cheap, look for the flaw; when a man offers favors, look for the motive’. Remember the meaning behind this proverb and you will realize that you need to focus on the ‘motive’ and not the offer, whether it is business or life.

Recover Windows 7 Home Group Password

So you’re about to setup your new Windows 7 PC into your Homegroup when you realized that you have no idea what the password is. How do you find it? It’s actually pretty simple, if you know where to look.

What is HomeGroup

Homegroup is a new feature in Windows 7. Only I personally don’t really think its new at all, it just another way to map your local network, and this time they add an additional password for remember the mapped drive for future access.

Ever wanted to share your music, pictures and documents within your home computers and found the task to be difficult? HomeGroup in Windows 7 will simplify the tasks associated with sharing music, pictures and documents within your home network and Windows 7 PCs.

HomeGroup also allows you to share your USB connected printers, if you have a printer in the living room that’s shared by HomeGroup it will be automatically installed onto your other HomeGroup enabled PCs. Domain-joined computers can be part of a HomeGroup too.

HomeGroup Password

The only new thing “Homegroup” is different from mapping shared network drivers is that it contains a password to join the homegroup, (ie its more like join a domain, a group of network computer where you need password access to do so) you also got options to leave homegroup etc.

By default, you will be prompt a homegroup password when you finish a clean install of Windows 7. That said if you are using Windows 7 Starter or Home Basic on some OEM netbooks you will not be able to create a homegroup network, hence you no password will show when you first time use the homegroup feature. However, that Starter and Home Basic can still join homegroup to share and access files between other PCs.

So what if you forgot the password when you first install the Windows 7 ?

Finding Your Homegroup Password

If you ever forget your homegroup password, you can find it by opening HomeGroup in Control Panel on a computer that’s part of the homegroup. Here’s how:

Open up Windows Explorer, and then find the Homegroup option in the left-hand navigation pane. Right-click on Homegroup and choose “View the HomeGroup password

view-homegroup-password-windows-7.jpg

And there you go, your password in nice bold text—and there’s even a print button.

view-and-print-your-homegroup-password-i

Now you have the password and you are all set to setup your home group network

Technical Assistance to Make your Linksys Router Robust

Wireless routers are in vogue! Indeed, wireless routers become more advanced and secure. Actually, the main aim of wireless router is to extend Internet connection securely to the multiple devices such as laptops, desktops, mobile phones via radio waves. In other words, a router is a device which lets you to convert single Internet connection into different connections, thus you can connect multiple devices through a single connection to enhance your production.

More so, through a router, you can create home network where you can manage the network to utilize the data. But, you should have an ideal network to keep your productivity up to the mark. Although, various routers are available in the market and comes with benefits, individual options, features and much more. But Linksys router is most popular networking device which works fast. Its reliability and great performance make it comprehensive router. Linksys is a reputed manufacturing company, which provides networking device like router to expand the network in the home or business.

The Linksys routers are smart and powerful as well as provide secure Internet connection for multiple devices. For small and medium business, Linksys offers several networking devices to setup the network among employees and employers. Apart from manufacturing routers, Linksys has a strong technical support help.

The manuals are available on its website, so you can directly download them, those help in its working. This technical support helps user to give guidance about the device and its functioning. Even though, the performance of Linksys router is great, but still people may encounter technical complications while using the routers.
Linksys Routers Issues

. How to setup the router

. Messy configuration

. Internet connection issue

. Unable to activate the file sharing feature

. Customization settings problem

. Error messages

. DNS sever glitches

Linksys Router Tech Support (24/7)

To forget these bothers, you need Technical Support For Linksys Router. The technical experts offer you proficient services to diagnose all your Linksys router related issues in the front of your eyes. Besides, the technicians are capable to make your different type of software programs more reliable. The best thing is that for users, they can take technical assistance at either night or day, because the tech specialists are available round the clock.

There are different methods to take technical help such as instant chat, email and phone call. Therefore, you can take help at Linksys router tech support by dialing its toll free number. The well-trained professionals are ready 24 hrs to solve your technical problems and give you maximum customer satisfaction. You can take guidance from experts to get rid of future problems with your router. Have a secure and reliable Internet connection! Please subscribe our newsletter for more details and regular updates.

Improve Your Network Monitoring Plan to Benefit

With the growth and expansion of a business, it gradually becomes difficult to set up and maintain a fully functional computer network. The things become complex with the increasing size of the business and demand some additional efforts to be made in this regard. However, the advancement in technology is also a reason that demands perfect maintenance of the computer networks within an organization. A range of new gadgets, communication platforms and software packages are being continuously innovated in the world of technology. They require an access to the advanced network capabilities. Hence, if you really want to realize the benefits of such advancements for your enterprise, you have to opt for a total networking consulting solution that will offer you the routine support and maintenance to your network.

Productivity Enhancement

Like other business equipments, computer networks also require regular maintenance to perform at their peak. Get equipped with a solid network monitoring and maintenance plan to have a keen eye over all the critical aspects of the networks for the potential problems on a regular basis. The logs, hard drives and antivirus of the system are certain key areas of the network that need regular monitoring and maintenance. Hence, it is better to have a sound maintenance plan to boost the strength of your business enough for overcoming all the anticipated situations and thus, it reduces the downtime incidents as well.

Increased Reliability

It is essential to have a proactive maintenance plan from a network company providing network maintenance security service reliable to your business. This approach will result in satisfaction and bring you a feeling of security. The service provider will also receive negligible complaints against the machines as they are regularly monitored as well as maintained at a pre-set interval. Simultaneously, your suppliers and customers will also find the business you hold, reliable and trustworthy to do transactions with that is very important in today’s competitive business environment.

Cost Effective

It would cost you much if you will wait to hire a network support service provider when your company’s entire system is down. You will lose countless business hours during the downtime and will end up paying in bulk a very high price as a one time service fee. Additionally, it is not worth fixing an already substantially damaged system. It will drain your resources unnecessarily. Instead, having a scheduled network maintenance plan will head the issues off before they are escalated. Your network maintenance service provider will design a sound maintenance plan on the monthly package to suit your specific business requirements.

Connectivity Optimization

In a computer network, every unit communicates with one another. However, there remains the constant transmission of the data whenever the resources are accessed by the users in other computers, on the basis of the layout of your computer and the number computers working actively, the data retrieving time may vary. A well maintained maintained network system assures your connectivity optimization and thus, it becomes easy for your customers and employees to access the data and other resources without waiting much.

Security Enhancement

Usually, poorly maintained networks compromise on majority of security features and become vulnerable to the Trojan and virus attacks along with remote hacking as well. A perfect network monitoring and maintenance plan will ensure performance as well as security of the network for your business.

Network Security Measures for Private and Cloud storages

Networks are getting more complex in the recent times and implementing proper network security measures has become crucial aspect for organizations, says Ravi Namboori. There is need of constant security practices to prevent security hazards and safeguard confidential sensitive data.

Despite of resilient security measures, companies across the globe are becoming the frequent victims of security threats and their confidential information is getting in to nefarious hands.

Though there are numerous network security tools available in the markets today, business managers need to focus on specific network solutions or tools that suits their data security needs and network architecture (Article on searchnetworking.com). When an enterprise has to choose the network security tools, it is important to have well-defined selection criteria to ensure that your enterprise needs are fulfilled when you bring those security tools in to your network environment, Ravi Namboori a Cisco evangelist adds.

When you are in the process of shortlisting a network security tools for your enterprise, the location where your business critical data is stored would be a crucial aspect.

Whether the data is stored in on-premises private data center or on public cloud server, both will have their respective influence on choosing apt network security tools.

Data stored in on-premises private storage will be effectively protected by using Next Generation Firewalls (NGFWs) which safeguards the data from users outside corporate network. Network Access Control (NAC) ensures only authorized devices and users has access to data (Article on searchnetworking.com).

Whereas on the other hand, in order to safeguard the data stored on commercial cloud servers, enterprises need to follow security protocol with virtualized firewalls, says Ravi Namboori a data center expert. Secure Web Gateways (SWGs) and Malware Sandboxes are best network security tools for enterprises that has their data stored on cloud.

SWGs effectively prevents data losses which usually occurs between cloud provider network and corporate network. Enterprises that stored their mission critical data on cloud should opt for malware sandboxes to prevent malware infected data flowing between the networks.

Preventing untrusted external internet and WAN connections from accessing enterprise data will not be an appropriate decision for enterprises, but limiting the access to external users and guests so that they access only specific data would yield positive results.

NAC tools enable enterprises to define network permission levels which identify authorized users and block others completely. Security administrator permits specific user to access specific data, network and applications based on the criteria defined.

Deploying network security tools such as SWG as a cloud service will be a cost effective practice for enterprises that has data on cloud as it rules out need of having in-house security administrators.

Bringing right network security tools which are compatible with existing network infrastructure is an important aspect as right blend of them enhances the effectiveness and optimizes overall network performance.

Hire Network Security Provider To Protect From Potential Cyber Threats

Today, it is very hard to imagine running a business without the support of computers and the internet. They have become as vital to us as the air we breathe. Computers help us store all our valuable data and information, while the network allows the sharing and transfer that crucial data. This network of computers allows for remote access to geographically distant resources, providing efficiency and reducing the need for business travel. The network configuration of computers interlinked also helps in sending data back and forth, and remain hooked up in a globalized business environment.

Because the networks are so useful in day-to-day business operations, they are also highly vulnerable to security threats because of conveniences like enabling remote access. This is where the need for a network security provider comes in. They can keep all your crucial data protected from the potential spyware, malware and Trojan attacks as well as any other potential cyber threats that can cause massive loss to your business. Taking into account all these potential attacks, organizations now look to outsource this responsibility to a team of experts who are skilled enough in identifying and managing all these security threats, and can keep all critical data protected from any misuse including unauthorized access or attacks.

Whether you are a small organization or a Fortune 500 company, the primary task of anetwork security provider is to provide real-time security to the organizations, and thus minimizing as well as eliminating the risks involved in an ever-changing threat environment. These security providers follow a very balanced approach with a technical focus, flexible delivery model and proactive security measures. Their approach to protect an enterprise’s assets is very comprehensive and aggressive. The team of security specialists employed by these network security service providers oversee the entire maintenance and installation of a network firewall. Only after having effectively analyzed the requirements of their clients and their network, they implement a solution that suits your budget and requirements. They will also ensure that your organization is in compliance with regulatory standards.

Moreover, the team of networking specialists makes use of advanced tools and technologies to provide a risk-free environment by conducting a complete security audit of your IT systems. By detecting and removing possible threats to the integrity of the corporate network before problems arise. These specialists are also adept at identifying any susceptibility in a network and providing a comprehensive analysis of your network security. In addition to network security, these specialists also provide windows desktop support and leave no stone unturned when it comes to providing bug and risk-free environment