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IN THIS CHAPTER

Discovering protocols

Deciphering the layers of the OSI Reference Model

Understanding Ethernet

Getting the inside scoop on TCP/IP and IPX/SPX

Finding out about other important protocols

Protocols and standards make networks work together. Protocols make it possible for the various components of a network to communicate with each other, and standards make it possible for different manufacturers’ network components to work together. This chapter introduces you to the protocols and standards that you’re most likely to encounter when building and maintaining a network.