To combat the confusion, we've developed this Networking Primer for those new to networking, as well as experienced network pros looking for a quick introduction to new terminology or technology. The Primer is divided into five sections, each covering a set of networking topics. Click one of the links below or use the navigation bar at the top of this window to go to your selection. Infrastructure covers the boxes that make networks work. Here you'll learn about the networking roles played by routers, switches, concentrators and more.
Connectivity addresses network topologies and the strategies networking pros use to build networks.
Learn about Ethernet, Token Ring, ATM, Frame Relay and more. Mobility outlines networking technologies and strategies for accessing enterprise data away from the office. Performance discusses technologies available to boost the performance of sagging networks. Find out about the latest high-speed LAN and WAN options. Reliability focuses on strategies and technologies to manage networks for high-availability.