Which statement is true about using a DNS server to discover a controller IP?

A.	The AP sends a discovery request to the first controller on the list and then goes down the list chronologically until it receives a discovery response.
B.	The AP sends a discovery request to the last controller on the list and then goes up the list chronologically until it receives a discovery response.
C.	The AP sends a discovery request to all controllers on the list simultaneously.
D.	Multiple controller IP addresses in a DNS response are not supported.