An indoor 1240 AP is booting and has obtained an IP address using DHCP. The AP has confirmed prior controller IP addresses from a previously joined mobility group stored in NVRAM.
What is the next step the AP performs?
A . DHCP option 43.
B . DNS resolution of CISCO-LWAPP-CONTROLLE
C . localdomain.
D . Layer 2 LWAPP discovery broadcast.
E . Layer 3 LWAPP discovery broadcast.
F . Ping each Cisco WLC to verify its current status.
G . Select a Cisco WLC based on its position in the configured join selection sequence.
Answer: A