Which two of these statements describe features of the NAC Appliance architecture. (Choose two.)

Which two of these statements describe features of the NAC Appliance architecture. (Choose two.)

A.
NAC Appliance Server evaluates the endpoint security information.

B.
NAC Appliance Manager determines the appropriate access policy.

C.
NAC Appliance Client acts as an authentication proxy for internal user authentication.

D.
NAC Appliance Manager acts as an authentication proxy for external authentication servers.