单项选择题 Your network contains an Active Directory domain named contoso.com. All domain controllers run Windows Server 2008 R2. The functional level of the domain is Windows Server 2008 R2. The functional  level of the forest is Windows Server 2008.   You have a member server named Server1 that runs Windows Server 2008.   You need to ensure that you can add Server1 to contoso.com as a domain controller.   What should you run before you promote Server1（）

单项选择题 You have a DNS zone that is stored in a custom application directory partition.  You install a new domain controller.   You need to ensure that the custom application directory partition replicates to the new domain controller.   What should you use（）

单项选择题 Your network contains a single Active Directory forest. The forest contains two domains named contoso.com and sales.contoso.com. The domain controllers are configured as shown in the following  table.   Server name  Domain  DNS zones hosted  DC1  contoso.com  contoso.com  DC2  contoso.com  contoso.com   DC3  sales.contoso.com  sales.contoso.com  DC4   sales.contoso.com  sales.contoso.com   All  domain  controllers  run Windows  Server  2008  R2.  All  zones  are  configured  as  Active  Directory-integrated zones.   You need to ensure that contoso.com records are available on DC3. Which command should you run（）