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Computer networking is the engineering that creates communication between computers and other devices. Learn about the different types of networking and the systems that make networking possible.

How Virtual Computing Works

Storage space and performance can be increased with virtual computing. Learn how computer users are using virtual computing when they need it.

The three types off VPN are remote access, intranet and extranet VPNs. Learn about the three types of VPNs in this article. See more »

Wireless networks, otherwise known as WiFi, use radio waves so that people can connect to the Internet in all sorts of places. Learn about what you need to build a private WiFi network, in this article. See more »

A network server is a computer system used as the central repository of data and various programs that are shared by users in a network. Learn about network servers from this article. See more »

You're trying to figure out how to choose the right e-mail server for your business. This article will tell you how to choose the right e-mail server. See more »

How VPNs Work

The office is expanding beyond the physical realm. More and more businesses are extending their reach across the Internet by setting up VPNs, which allow multiple locations and telecommuting employees to work in the same virtual space. See more »

How IP Convergence Works

IP convergence brings your telephone, Internet, television and other services together in one place. It could save you time, money and the headache of system administration. What drawbacks might you have to face? See more »

How IP Trunking Works

It seems strange that your voice could transform into a little packet of data and be transmitted just like an e-mail. But it can. How does that work? See more »

Computer Networking Pictures

The Internet is in a constant state of evolution, and the components involved in that state of perpetual progress are always evolving as well. See all the pieces that have worked together to form computer networks through the years. See more »

How Server Virtualization Works

Large corporations need many computer servers, which take up space and use a lot of electricity to run and to keep cool. What if you could put multiple servers on a single machine? See more »

How Grid Computing Works

Grid computing lets you use a whole network of computers to solve problems. But how do you ensure access to information without creating gridlock? See more »