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.

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?

A.
dnscmd.exe DC1.contoso.com /ZoneChangeDirectoryPartition contoso.com /domain

B.
dnscmd.exe DC1.contoso.com /ZoneChangeDirectoryPartition contoso.com /forest

C.
dnscmd.exe DC3.contoso.com /ZoneChangeDirectoryPartition contoso.com /domain

D.
dnscmd.exe DC3.contoso.com /ZoneChangeDirectoryPartition contoso.com /forest