Chapter 2Ethernet Networking and Data Encapsulation

images Before we begin exploring a set of key foundational topics like the TCP/IP DoD model, IP addressing, subnetting, and routing in the upcoming chapters, I really want you to grasp the big picture of LANs conceptually. The role Ethernet plays in today’s networks as well as what Media Access Control (MAC) addresses are and how they are used are two more critical networking basics you’ll want a solid understanding of as well.

We’ll cover these important subjects and more in this chapter, beginning with Ethernet basics and the way MAC addresses are used on an Ethernet LAN, and then we’ll focus ...

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