CompTIA Network+ (N10-004) Cert Guide

Chapter 3. Networking Components and Devices

This chapter covers CompTIA Network+ objectives 3.1, 3.2, and 3.3. Upon completion of this chapter, you will be able to answer the following questions:

• What is the function of a network hub and switch?

• What are the functions of specialized network devices?

So far this book has examined topologies, and cable types and connectors. These are all integral parts of the network. This chapter focuses on another—networking hardware. These are the physical components that make the network function. This chapter explores the networking devices you are most likely to see in today’s network environments and the function they perform. Each of these devices fulfills a specific role within a network; however, ...