What ID is typically mapped to an AP’s MAC address if a single BSS is implemented?

Answer(s): B

https://technet.microsoft.com/en-us/library/cc757419(v=ws.10).aspx

What is appended to the end of each 802.11 data frame after the payload?

Answer(s): A

When an ACK frame is not received by the transmitting STA, what is assumed?

The frame was correctly delivered
The frame was not delivered and must be retransmitted
The receiver is offline
The receiver processed the frame, but did not respond with an ACK frame because 802.11w is enabled

Answer(s): B

When a client station sends a broadcast probe request frame with a wildcard SSID, how do APs respond?

For each probe request frame, only one AP may reply with a probe response.
Each AP responds in turn after preparing a probe response and winning contention.
Each AP checks with the DHCP server to see if it can respond and then acts accordingly.
After waiting a SIFS, all APs reply at the same time with a probe response.

Answer(s): B

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