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Chapter 28. Understanding the Nature of ... > How Networks Are Put Together

How Networks Are Put Together

If you were to break a network down into its simplest components, you'd have two pieces. One is the physical network—the wiring, network cards, computers, and other equipment the network uses to transmit data. The other is the logical arrangement of these physical pieces—the rules that allow the physical pieces to work together.

Physical Networking—The Hardware

The physical network is easy to understand because it's easy to see—it's hardware! It's the wiring and network cards and computers and hubs and all the other stuff that allows the network to function. If you don't know what those things are, don't worry. It will be explained in the next few pages and throughout the rest of this book. The important thing to remember is that the physical part of networking is all hardware. It's tangible—you can hold it in your hands.


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