Network Articles

Site To Site VPN A site-to-site VPN uses a tunnel mode connection between VPN gateways to protect traffic between two or more sites or locations.  Site-to-site connections are commonly referred to as LAN-to-LAN (L2L) connections. Simple ...

What is VPN or Virtual Private Network ? An encrypted connection between two or multiple private networks over public network is called VPN or Virtual Private Network.  It use to connect two private network over public network. In equation format it can be defined as VPN= Tunneling + Encryption In other words we ...

Usenet News is a global electronic bulletin board system in which millions of computer users exchange information on a vast range of topics. The major difference between Usenet News and e-mail discussion groups is the fact that Usenet messages are stored on central computers, and users must connect ...

CHAT & INSTANT MESSENGING programs allow users on the Internet to communicate with each other by typing in real time. They are sometimes included as a feature of a Web site, where users can log into the "chat room" to exchange comments and information about the topics addressed on the ...

World Wide Web (abbreviated as the Web or WWW) is a system of Internet servers that supports hypertext to access several Internet protocols on a single interface. Almost every protocol type available on the Internet is accessible on the Web. This includes e-mail, FTP, Telnet, and Usenet News. ...

The Internet is a computer network made up of thousands of networks worldwide. No one knows exactly how many computers are connected to the Internet. It is certain, however, that these number in the millions.  No one is in charge of the Internet. There are organizations which ...

FAQ stands for Frequently Asked Questions. These are periodic postings to Usenet newsgroups that contain a wealth of information related to the topic of the newsgroup. Many FAQs are quite extensive. FAQs are available by subscribing to individual Usenet newsgroups. A Web-based collection of FAQ resources has been ...

MRTG is to monitor network devices such as router, switches,etc and draw traffic graphs passed through each interface of the devices Routers are only the beginning. MRTG is being used to graph all sorts of network devices as well as everything else from weather data to vending machines.

The questions you will be asked on the exam will probably be one or all of the following: 1.)If you are going to use the subnet mask, x.x.x.x, how many subnets does this subnet mask produce? (You’ll know this answer automatically if you memorize the subnet mask tables in our ...

HSRP stands for Hot Standby Routing Protocol. This is a Cisco Proprietary protocol. VRRP stands for Virual Router Routing Protocol. VRRP is IEEE standard which can support multi Vendor.