Part IV: Wide-Area Networks
The world of networking offers a large variety of WAN options. Part IV of this book looks at two traditional options in enough depth to help you comfortably implement the features in Cisco routers: point-to-point WANs (Chapter 12) and Frame Relay (Chapters 13 and 14). Chapter 15 then takes a broad look at a large variety of other WAN options, in enough depth so that you can recognize the main features of each of the technologies.
Chapter 12: Implementing Point-to-Point WANs
Chapter 13: Understanding Frame Relay Concepts
Chapter 14: Implementing Frame Relay
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