Your company has a main office and a branch office that are configured as a single Active Directory forest. The
functional level of the Active Directory forest is Windows Server 2003. There are four Windows Server 2003
domain controllers in the main office.
You need to ensure that you are able to deploy a read-only domain controller (RODC) at the branch office.
Which two actions should you perform? (Each correctanswer presents part of the solution. Choose two.)

A.
Raise the functional level of the forest to Windows Server 2008.

B.
Deploy a Windows Server 2008 domain controller atthe main office.

C.
Raise the functional level of the domain to Windows Server 2008.

D.
Run the adprep/rodcprep command.