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（）