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.
Reference: https://books.google.com.pk/books?id=YEW0DAAAQBAJ&pg=PA23&lpg=PA23&dq=client+station+sends+a+broadcast+probe+request+frame+with+a+wildcard+SSID,+how+do+APs+respond&source=bl&ots=O2sMCqipxO&sig=FSfGWpm0tBdtx7xTd1vhMgS5P_I&hl=en&sa=X&ved=0ahUKEwibq8WP5aDZAhWD1SwKHRQvAkoQ6AEIOTAD#v=onepage&q=client%20station%20sends%20a%20broadcast%20probe%20request%20frame%20with%20a%20wildcard%20SSID%2C%20how%20do%20APs%20respond&f=false