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

When a client station sends a broadcast probe request frame with a wildcard SSID, how do APs respond?
A . For each probe request frame, only one AP may reply with a probe response.
B . Each AP responds in turn after preparing a probe response and winning contention.
C . Each AP checks with the DHCP server to see if it can respond and then acts accordingly.
D . After waiting a SIFS, all APs reply at the same time with a probe response.

View Answer

Answer: B