Which of the following statements regarding FSMO roles are TRUE?

A.
The RID master acts as the primary server for password changes and as the master time
server.

B.
The Schema master is responsible for updating references from objects in its domain to objects
in other domains.

C.
The PDC Emulator provides backward compatibility for NT4 clients and acts as the master time
server.

D.
A domain can have more than one Infrastructure master, which is responsible for updating
references from objects in its domain to objects in other domains.