CHAPTER 20
Essentials of Networking
In this chapter, you will learn how to
• Describe the basic roles of various networked computers
• Discuss network technologies and Ethernet
• Describe the differences between a LAN and a WAN and the importance of TCP/IP
It’s hard to find a computer that’s not connected to a network. Whether you’re talking about a workstation that’s part of a large enterprise network or discussing that smartphone in your pocket, every computer has some form of network connection. CompTIA has added quite a bit of networking coverage to the CompTIA A+ exams.
This chapter dives into networks in detail, especially the underlying hardware and technologies that make up the bulk of networks in today’s homes and businesses. ...
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