In Cisco NAC Appliance Solutions, which statements is correct regarding devices on the certified list?

A.
Device manually added to the certified device list are automatically deleted when the device list-clearing timer expires

B.
Devices that pass the Cisco NAA requirements are automatically added to the exempt device list

C.
To remove an exempt device from the certified list, click the clear Certified Device Button

D.
A device is not required to be rescanned at the next login as long as it MAC address is in the certified list