Which two statements are correct regarding FortiGuard features on FortiManager? (Choose two.)

A.
FortiManager can function as a local FortiGuard Distribution Server (FDS).

B.
In FortiManger HA only master FortiManager can act as an FDS server.

C.
When FortiManager is configured for closed network operation, it can connect to public FDS servers to obtain
managed device information and sync packages.

D.
FortiGuard information is not synchronized across a FortiManager cluster.