Switching, Routing, and Wireless Essentials Companion Guide (CCNAv7)

Chapter 2

Switching Concepts

Objectives

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

• How are frames forwarded in a switched network?

• What are collision domains and broadcast domains?

Key Terms

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

public switched telephone network (PSTN) Page 46

ingress Page 46

egress Page 46

egress port Page 46

ingress port Page 46

MAC address table Page 47

content addressable memory (CAM) Page 47

application-specific integrated circuits (ASICs) Page 48

store-and-forward switching Page 49

cut-through switching Page 49

frame check sequence (FCS) Page 49

buffer Page 49

rapid frame switching Page 49

fragment free switching Page 50 ...