Essentials of Networking
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 ...