How Do WLANs Work? |
CHAPTER 5 |
BEFORE LOOKING AT THE VULNERABILITIES OF and security measures for wireless local area networks (WLANs), it’s important to gain a fundamental understanding of how WLANs work. This chapter provides a basic overview of WLAN design and discusses the operation and behavior of wireless in general and 802.11 WLANs in particular. This overview includes not only WLAN topologies and Institute of Electrical and Electronics Engineers (IEEE) standards, but also a primer on radio frequency (RF) behaviors as well as antennas and site-survey considerations. Armed with this knowledge, the information security specialist is in a much better position to recognize, mitigate, and prevent security threats targeted at or enabled ...
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