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CCNA® Cisco Certified Network Associate: Study Guide, Seventh Edition by Todd Lammle

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Introduction to Wireless Technology

Wireless networks come in many different forms, cover various distances, and provide a range of low to high bandwidth depending on the type installed. The typical wireless network today is an extension of an Ethernet LAN, and wireless hosts use MAC addresses, IP addresses, and so on, just as any host would on a wired LAN. Figure 14-1 shows how the simple, typical wireless LAN looks today.

Figure 14-1: Wireless LANs are an extension of our existing LANs.

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But wireless networks are more than just run-of-the-mill LANs because—you guessed it—they’re wireless. And as I mentioned, they cover a range of distances, ...

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