You need to enable the deployment of domain controllers using virtual machine cloning.
Which of the following would need to be done first?
A. The domain controller running the Schema Master role needs to be upgraded to Windows Server 2012.
B. The domain controller running the Domain Naming Master role needs to be upgraded to Windows Server 2012.
C. All domain controllers running the Infrastructure Master role need to be upgraded to Windows Server 2012.
D. The functional level of the forest needs to be raised to Windows Server 2012.
E. All domain controllers running the PDC Emulator role need to be upgraded to Windows Server 2012.
