An engineer has configured 802 1x for the network and all but one of the APs are passing authentication. Which configuration is causing the failure?

An engineer has configured 802 1x for the network and all but one of the APs are passing authentication. Which configuration is causing the failure?
A . The AP has override global credentials checked.
B . The switch AAA credentials do not match what is configured on IS
D . The controller 802 1x supplicant credentials do not match what is configured on ISE
E . EAP-FAST is configured on ISE for this A

Answer: A