Basic Service Set
The solution is to make every wireless service area a closed group—before a device can participate, it must advertise its capabilities and then be granted permission to join. The 802.11 standard calls this a basic service set (BSS). At the heart of every BSS is a wireless access point (AP), as shown in Figure 5-5. The AP operates in infrastructure mode, which means it offers the services that are necessary to form the infrastructure of a wireless network.
Because the operation of a BSS ...
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