which SNMP function does the Cisco WCS perform?

When adding a controller to manage through Cisco WCS, which address type is used and which
SNMP function does the Cisco WCS perform?

A.
The controller is managed through its MAC address and the Cisco WCS acts as a SNMP TRAP
authenticator.

B.
The IP address of the controller is used and the Cisco WCS acts as a SNMP TRAP receiver.

C.
The controller is managed through its MAC address and the Cisco WCS acts as a SNMP
agent.

D.
The controller connects through its MAC address to the Cisco WCS and the Cisco WCS uses
the SNMP to manage the controller for all configured SNMP parameters.