Your network contains an Active Directory forest named contoso.com. The forest contains a
single domain. The domain contains two domain controllers named DC1 and DC2 that run
Windows Server 2008 R2. DC1 is configured as a global catalog server.
You need to configure DC2 as the only global catalog server in the forest. The solution must
maintain DC1 in the domain. What should you do?
A.
Run the dsadd.exe command
B.
Run the nltest.exe command.
C.
Run the Set-AdDomain cmdlet.
D.
Run the dsmove.exe command.
E.
Run the dcpromo.exe command.
F.
Run the Move-AdDirectoryServer cmdlet.
G.
Use the Active Directory Schema snap-in.
H.
Use the Active Directory Users and Computers console.
https://technet.microsoft.com/en-us/library/how-global-catalog-servers-work(v=ws.10).aspx
Enabling Universal Group Membership Caching
Universal Group Membership Caching can be enabled for a site by using the Active Directory Sites and Services MMC snap-in to edit the properties of the NTDS Site Settings object (CN=NTDS Site Settings,CN=TargetSiteName,CN=Sites,CN=Configuration,CN=ForestRootDomain). In Active Directory Sites and Services, if you click a site object, the NTDS Site Settings object for the site is visible in the details pane. Right-click the NTDS Site Settings object and then click Properties. In the NTDS Site Settings Properties dialog box, click Enable Universal Group Membership Caching.
ADU&C > Domain Controllers > Select Properties DC1 > NTDS Settings > Untick Global Catalogue.