Your network contains an Active Directory domain named contoso.com. The domain contains six domain controllers named DC1

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Your network contains an Active Directory domain named contoso.com. The domain contains six domain controllers named DC1, DC2, DC3, DC4, DC5, and DC6.
Each domain controller has the DNS Server server role installed and hosts an Active Directory-integrated zone for contoso.com.
You plan to create a new Active Directory-integrated zone named litwareinc.com that will be used for testing.
You need to ensure that the new zone will be available only on DC5 and DCG.
What should you do first?

A. Change the zone replication scope.
B. Create an Active Directory connection object.
C. Create an Active Directory site link.
D. Create an application directory partition.