Chapter 1

Introduction to Computer Networking

The following CWTS exam objective is covered in this chapter:

  • 1.4 Explain the role of Wi-Fi as a network access technology
    • The OSI reference model

It is important to have an understanding of basic computer networking concepts before you begin exploring the world of wireless networking technology and its terminology. This chapter looks at various topics surrounding computer networking including network types (LAN and WAN), topologies, the OSI model, and device addressing. The chapter is intended to provide an overview of basic networking concepts as an introduction for those who need to gain a basic understanding or for those who want a review of the concepts.

You will look at the various types ...

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