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:    <br /> Server name  Domain  <br /> DNS zones hosted  <br /> DC1  contoso.com  contoso.com  <br /> DC2  contoso.com  contoso.com  <br /> DC3  sales.contoso.com  sales.contoso.com  <br /> DC4  sales.contoso.com  sales.contoso.com  <br /> All domain controllers run Windows Server 2008 R2. All zones are configured as Active Directory-  <br /> integrated zones.  <br /> Yo
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