Refer to the exhibit.

An engineer is installing a new access point (AP). The AP has successfully acquired an IP
address. The engineer can ping the access controller (AC) from the AP. However the AC is
not discovering the AP. What could cause this problem?

A.
The interface between the AC and the IP network is down.

B.
The AC and AP must be in the same subnetwork.

C.
The AP and AC are not in the same VLAN.

D.
The DHCP server has not been set up with option 43.