Which two statements about FortiManager is true when it is deployed as a local FDS? (Choose two.)

Which two statements about FortiManager is true when it is deployed as a local FDS? (Choose two.)
A . It caches available firmware updates for unmanaged devices.
B . It can be configured as an update server, or a rating server, but not both.
C . It supports rating requests from both managed and unmanaged devices.
D . It provides VM license validation services.

Answer: A,D