Your network contains an Active Directory forest. The forest contains two domains named contoso.com and corp.contoso.com. The forest contains four domain
controllers. The domain controllers are configured as shown in the following table.
All domain controllers are DNS servers. In the corp.contoso.com domain, you plan to deploy a new domain controller named DC5.
You need to identify which domain controller must be online to ensure that DC5 can be promoted successfully to a domain controller.
Which domain controller should you identify?
A.
DC1
B.
DC2
C.
DC3
D.
DC4