CHAPTER 2
Networking Fundamentals
In this chapter, you will learn:
• Network protocols and the OSI communication model
• TCP/IP design and functionality
• Network addressing
• Name resolution
Before we go anywhere, we need to talk about networking fundamentals. Too much of what comes ahead relies on a solid understanding of networking protocols. It can help to think about networking conceptually by breaking the functionality into chunks. When you have a clear understanding of a protocol’s role and where it fits in the collection of protocols, sometimes called a network stack, you will have an easier time putting everything together. There are a lot of moving pieces in any given network communication. You’ll need to understand how it’s ...
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