Your network contains an Active Directory domain named contoso.com. The domain contains a main office and
a branch office. An Active Directory site exists for each office.
All domain controllers run Windows Server 2012 R2.
The domain contains two domain controllers.
DC1 hosts an Active Directory- integrated zone for contoso.com.
You add the DNS Server server role to DC2.
You discover that the contoso.com DNS zone fails to replicate to DC2.
You verify that the domain, schema, and configuration naming contexts replicate from DC1 to DC2.
You need to ensure that DC2 replicates the contoso.com zone by using Active Directory replication.
Which tool should you use?

A.
Dnscmd

B.
Dnslint

C.
Repadmin

D.
Ntdsutil

E.
DNS Manager

F.
Active Directory Sites and Services

G.
Active Directory Domains and Trusts

H.
Active Directory Users and Computers

Explanation:
http://technet.microsoft.com/en-us/library/cc739941(v=ws.10).aspx
If you seequestion about AD Replication, First preference is AD sites and services, then Repadmin and then
DNSLINT.