Refer to the exhibit.
Which statement about the join process of the access point is true?
A . The time on the controller is outside of the certificates validity time interval, so the join phase failed.
B . The AP moved from this controller to its primary controller.
C . The controller rejected most of the discovery requests from the AP because they were not received on the management interface subnet. The AP failed to join the controller.
D . The AP successfully joined the controller.
E . The AP failed to join because the self-signed certificate of the AP on the controller was not correct.
Answer: C