Cisco WiSM controllers have multiple interface types. Which three statements about the interface
types of the controllers are true? (Choose three.)

A.
The service-port interface is the default interface for in-band management of the controller.

B.
If the service port is in use, then the management interface must be on a different subnet than
the service port.

C.
You cannot ping the AP-manager interface.

D.
The virtual gateway interface is used to support mobility management.

E.
The management interface is used as the source IP address for all Layer 3 communications
between the controller and the lightweight APs.

F.
On the Cisco WiSM, the management interface is used to synchronize the supervisor engine and
the Cisco WiSM.