Chapter 12

Wide Area Network Technologies


12.01   Packet-Switching vs. Circuit-Switching Networks

12.02   Fiber-Optic WAN Technologies

12.03   Internet Access Technologies

         Two-Minute Drill

Q&A   Self Test

With companies becoming larger and more geographically diverse, wide area networks (WANs) have become increasingly the norm for networks these days. Connecting two different local area networks (LANs) found at different locations within a company is a typical scenario for a WAN environment. For example, Company ABC may have two locations: one in New York and the other in Boston. The company wants the two locations to be able to communicate with one another without using the Internet. You, as the network administrator, ...

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