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Cisco Networking Essentials, 2nd Edition by Troy McMillan

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Chapter 11LAN Operations

Although understanding the cabling and other physical aspects of a ­network is important, you need to understand what goes on at the upper part of the Network Access layer and the Internet layer of the TCP/IP model in order to design and troubleshoot a network. In this chapter, topics that have already been covered to some extent are reviewed and in some cases taken to another level of detail. But the real intent of this chapter is to put all of the pieces together so you can get the big picture of how a LAN operates. Specifically, this chapter covers the following topics:

  • Understanding the routing process
  • Describing the switching process
  • Describing end-to-end communications

Understanding the Routing Process

Routers ...

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