Chapter 18

Network Design

Objectives

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

  • What are the four basic requirements of a reliable network?

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

Key Terms

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

availability

confidentiality

fault-tolerant network

integrity

quality of service (QoS)

scalable network

Introduction (18.0)

Let me introduce you to my friend, Bob! Bob works in the IT field in Vancouver, Canada, and has some networking experience. He is consulting for his friends, Marcy and Vincent, who have purchased a furniture store. They want to expand their brick-and-mortar operations ...

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