You work as an administrator at ABC.com. The ABC.com network has a single Active Directory domain named ABC.com. You have configured ABC.com to have Windows Server 2003 as its functional level.

The ABC.com network has numerous domain controllers configured. Fifty percent of the domain controllers have Windows Server 2008 standard installed, while the rest has Windows Server 2008 R2 installed.

You would like to make use of Distributed File System Replication (DFSR) to guarantee SYSVOL replication.

Which of the following actions should you take?

A.
You should consider executing dsamain.exe

B.
You should consider executing dcdiag.exe.exe

C.
You should consider executing dsamain.exe

D.
You should consider having the functional level of the ABC.com domain raised to Windows Server 2008.