Briefly describe the components of a wireless network.
What will be an ideal response?
802.11 can be used in two different modes. Wireless clients can connect and communicate directly with each other in ad hoc mode. In this mode, there is no access point, which is not typical. Commonly, wireless clients attach wirelessly to an access point in infrastructure mode. As previously stated, this mode involves the access point wired back into a switch so that the client has access to the LAN and WAN, not just the WLAN.
If a single access point is available in infrastructure mode, then the mode is said to be a Basic Service Set (BSS). More typically, WLANs involve multiple access points connected to various switches in the network. This allows users to roam around the building and remain connected to the WLAN as well as the LAN and WAN. This type of infrastructure mode is known as an Extended Service Set (ESS).
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