A recently acquired 1550 series AP is unable to join the WLC. The following message is
observed on the AP console: AAA Authentication Failure for UserName:CC93.1981.0035
User Type: WLAN USER What action must be taken for the AP to associate with the
controller?

A.
authenticate the AP to the WLC from the console using an admin account on the WLC
B.
add MAC address CC93.1981.0035 to the Security:AAA:MAC Filtering tab
C.
add MAC address CC93.1981.0035 to the Security:AAA:AP policy:Authorization List
D.
import the APs Self Signed Certificate to the Security:Certificate:SSC tab
E.
import the APs Self Signed Certificate to the Security:Certificate:LSC tab