Your network contains an Active Directory forest.
The forest contains two domains named contoso.com and fabrikam.com.
The forest functional level is Windows 2000.
The contoso.com domain contains domain controllers that run either Windows Server 2008 or Windows Server
2008 R2.
The domain functional level is Windows Server 2008.
The fabrikam.com domain contains domain controllersthat run either Windows 2000 Server or Windows
Server 2003.
The domain functional level is Windows 2000 native.
The contoso.com domain contains a member server named SERVER1 that runs Windows Server 2012.
You need to add SERVER1 as a new domain controller in the contoso.com domain.
What should you do first?
A.
Raise the functional level of the contoso.com domain to Windows Server 2008 R2.
B.
Upgrade the domain controllers that run Windows Server 2008 to Windows Server 2008 R2.
C.
Raise the functional level of the fabrikam.com domain to Windows Server 2003.
D.
Decommission the domain controllers that run Windows 2000.
E.
Raise the forest functional level to Windows Server 2003.
Explanation:
http://technet.microsoft.com/en-us/library/hh994618.aspx#BKMK_FunctionalLevels