Chapter 6

Network Design and the Access Layer

Objectives

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

  • What is the process of encapsulation and Ethernet framing?

  • What is the function at each layer of the three-layer network design model?

  • How do you improve network communication at the access layer?

  • Why is it important to contain broadcasts within a network?

Key Terms

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

Address Resolution Protocol (ARP) page 129

de-encapsulation page 112

encapsulation page 112

frame page 112

protocol data units (PDUs) page 114

Introduction (6.0.1)

At this point, you know about protocols and why they are important for network communication. ...

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