Cisco Certified Support Technician CCST Networking 100-150 Official Cert Guide

Chapter 12

Wide Area Networks

This chapter covers the following exam topics:

• 1. Standards and Concepts

  • 1.3. Differentiate between LAN, WAN, MAN, CAN, PAN, and WLAN.

    Identify and illustrate common physical and logical network topologies

Local area networks (LANs), discussed in the previous chapter, are the first major place or class of networks. Wide area networks (WANs) are the second major place or class of networks. Chapter 13, “Data Centers and Fabrics,” considers the third major class of networks—data center fabrics.

Although these three classes of networks use the same basic technologies, these technologies are applied to a unique set of problems. For LANs, the problem is providing service in enclosed spaces—primarily different kinds ...