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CCNA Wireless 640-722 Cert Guide: Planning Coverage with Wireless APs

Chapter Description

This chapter explains how wireless coverage can be adjusted and grown to scale over a greater area and a greater number of clients. It specifically addresses the concept of access point cell size as well as adding access points to an extended service set.

Exam Preparation Tasks

As mentioned in the section, “How to Use This Book,” in the Introduction, you have a couple of choices for exam preparation: the exercises here, Chapter 22, “Final Review,” and the exam simulation questions on the CD-ROM.

Review All Key Topics

Review the most important topics in this chapter, noted with the Key Topic icon in the outer margin of the page. Table 7-2 lists a reference of these key topics and the page numbers on which each is found.

key_topic.jpg

Table 7-2 Key Topics for Chapter 7

Key Topic Element

Description

Page Number

Figure 7-2

The effects of transmit power on cell size

151

Figure 7-4

The effects of data rate on cell size

153

Figure 7-7

Roaming between BSSs

156

Figure 7-9

Optimizing channel layout for roaming

159

Define Key Terms

Define the following key terms from this chapter and check your answers in the glossary:

asymmetric power problem

channel reuse