Chapter 20

Essentials of Networking

Lab Exercises

20.01    Identifying Local Area Network Hardware

20.02    Evaluating a UTP Cable

20.03    Determining a MAC Address

Lab Analysis Test

Key Term Quiz


A PC technician is sometimes called upon to be a network guru, answering connectivity questions and making recommendations on the best price/performance considerations for homes and businesses. This happens frequently, especially in smaller companies that can’t afford to hire multiple people to support both the network and the PCs. The CompTIA A+ certification exams reflect these changing roles of the PC technician and include many questions related to computer networking.

This chapter, the first of several on networking, focuses on hardware. Here ...

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