单项选择题
A.Raise the intranet.contoso.com forest functional level to Windows Server 2003 or higher.
B.Raise the intranet.contoso.com domain functional level to Windows Server 2003 or higher.
C.Add the new UPN suffix to the forest.
D.Change the Primary DNS Suffix option in the Default Domain Controllers Group Policy Object （GPO） to contoso.com
单项选择题 You need to deploy a read-only domain controller （RODC） that runs Windows Server 2008 R2. What is the minimal forest functional level that you should use（）
单项选择题 Your company has an Active Directory domain. The main office has a DNS server named DNS1 that is configured with Active Directory-integrated DNS. The branch office has a DNS server named DNS2 that contains a secondary copy of the zone from DNS1. The two offices are connected with an unreliable WAN link. You add a new server to the main office. Five minutes after adding the server， a user from the branch office reports that he is unable to connect to the new server. You need to ensure that the user is able to connect to the new server. What should you do（）
单项选择题 our network consists of a single Active Directory domain. You have a domain controller and a member server that run Windows Server 2008 R2. Both servers are configured as DNS servers. Client computers run either Windows XP Service Pack 3 or Windows 7. You have a standard primary zone on the domain controller. The member server hosts a secondary copy of the zone. You need to ensure that only authenticated users are allowed to update host （A） records in the DNS zone. What should you do first（）