Your company has a main office and 50 branch offices. Each office contains multiple subnets.    
You need to automate the creation of Active Directory subnet objects.    
What should you use（）

单项选择题Your company has a main office and a branch office. The main office contains two domain  controllers.     You create an Active Directory site named BranchOfficeSite. You deploy a domain controller in  the branch office， and then add the domain controller to the BranchOfficeSite site.  You discover that users in the branch office are randomly authenticated by either the domain  controller in the branch office or the domain controllers in the main office.   You need to ensure that the users in the branch office always attempt to authenticate to the  domain controller in the branch office first.     What should you do（）

A.Create organizational units （OUs）.
B.Create Active Directory subnet objects.
C.Modify the slow link detection threshold.
D.Modify the Location attribute of the computer objects.

单项选择题Your network contains two Active Directory forests. One forest contains two domains named  contoso.com and na.contoso.com. The other forest contains a domain named nwtraders.com. A  forest trust is configured between the two forests.     You have a user named User1 in the na.contoso.com domain. User1 reports that he fails to log  on to a computer in the nwtraders.com domain by using the user name NA User1.     Other users from na.contoso.com report that they can log on to the computers in the  nwtraders.com domain.     You need to ensure that User1 can log on to the computer in the nwtraders.com domain.     What should you do（）

A.Enable selective authentication over the forest trust.
B.Create an external one-way trust from na.contoso.com to nwtraders.com.
C.Instruct User1 to log on to the computer by using his user principal name （UPN）.
D.Instruct User1 to log on to the computer by using the user name nwtraders\User1.

单项选择题Your network contains an Active Directory forest. The forest contains a single domain. You want  to access resources in a domain that is located in another forest.     You need to configure a trust between the domain in your forest and the domain in the other  forest.     What should you create（）

A.an incoming external trust
B.an incoming realm trust
C.an outgoing external trust
D.an outgoing realm trust

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（）

A.dcpromo.exe /CreateDCAccount
B.dcpromo.exe /ReplicaOrNewDomain：replica
C.Set-ADDomainMode -Identity contoso.com -DomainMode Windows2008Domain
D.Set-ADForestMode -Identity contoso.com -ForestMode Windows2008R2Forest

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（）

A.the Active Directory Administrative Center console
B.the Active Directory Sites and Services console
C.the DNS Manager console
D.the Dnscmd tool