Your network contains an Active Directory forest. The forest contains three domains. All domain controllers have the DNS Server server role installed.
The forest contains three sites named Site1, Site2, and Site3. Each site contains the users, client computers, and domain controllers of each domain. Site1 contains the first domain controller deployed to the forest.
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The sites connect to each other by using unreliable WAN links.
The users in Site2 and Site3 report that is takes a long time to log on to their client computer when they use their user principal name (UPN). The users in Site1 do not experience the same issue.
You need to reduce the amount of time it takes for the Site2 users and the Site3 users to log on to their client computer by using their UPN.
What should you do?
A.
Configure a global catalog server in Site2 and a global catalog server in Site3.
B.
Reduce the replication interval of the site links.
C.
Move a primary domain controller (PDC) emulator to Site2 and to Site3.
D.
Add additional domain controllers to Site2 and to Site3.
E.
Reduce the cost of the site links.
F.
Enable universal group membership caching in Site2 and in Site3.
Why not F? I know that universal group membership caching should be used when low bandwidth exists between sites, wouldn’t the same apply to unreliable WAN links? Replication to global catalog servers at remote sites may be negatively affected if the site connections are unreliable.
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The question not says that the system has created universal group in AD user and computer!!
Then the correct answer is: A
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I agree with Paul.
Daniele your argument is wrong. Answer F says to “Enable Group Membership Caching”
If UGMC can speed logons at remote sites then it sounds like a good idea. But when is it better to simply deploy a GC at the remote office instead?
1. When you have lots of WAN bandwidth available
– We know we have unreliable bandwidth
2. When the membership of universal groups frequently changes
– We don’t have this info
3. When you have Exchange Server deployed at the remote site
– N/A
4. When the branch office and headquarters both belong to the same AD site.
– N/A
If any of these is true, it’s best if you simply make one of the domain controllers at your remote office a global catalog server.
http://www.windowsnetworking.com/kbase/WindowsTips/Windows2003/AdminTips/ActiveDirectory/Whentouseandnotuseuniversalgroupmembershipcaching.html
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