So far, we’ve focused on computing that occurs on a single device. In this chapter and the next, we look at computing that spans multiple devices. We’re going to examine two significant innovations in computing, the internet and the world wide web, which are not the same thing! This chapter focuses on the internet, and we begin by defining key terms. Then we look at a layered model of networks and dig into some of the foundational protocols used on the internet.

Networking Terms Defined

To discuss the internet and networks in general, you first need to become familiar with some concepts and terms, which we cover here. A computer ...

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