CHAPTER 5Network Infrastructure

Objectives

Upon completion of this chapter, you will be able to answer the following questions:

  • How do network devices enable network communication?

  • How do wireless devices enable network communication?

  • How are specialized devices used to enhance network security?

  • How do network services enhance network security?

  • How are network designs represented by interconnected symbols?

Key Terms

This chapter uses the following key terms. You can find the definitions in the Glossary.

intermediary device page 237

routers page 238

path determination page 239

packet forwarding page 239

static routes page 243

dynamic routing protocol page 243

CSMA/CD page 245

content addressable memory (CAM) page 245

virtual LANs (VLANs) page ...

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