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Network Sales and Services Handbook by Matthew J. Castelli

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Chapter 8. WAN Basics

This chapter covers the following topics:

  • WAN Switching Services

  • Network Interfaces

  • WAN Architecture

Wide area network (WAN) connectivity enables individuals and organizations to take advantage of internetworking services such as Frame Relay, Asynchronous Transfer Mode (ATM), and the Internet. Local area networks (LAN) enable communication and resource-sharing within an enterprise or campus setting. WANs connect two or more LANs.

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