Yournetwork 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.
The domain controllers are configured as shown in the following table.
DC1 hosts an Active Directory-integrated zone for contoso.com.
Youadd the DNS Server server role to DC2.
Youdiscover that the contoso.com DNS zone fails to replicate to DC2.
Youverify that the domain, schema, and configuration naming contexts replicate from DC1 to DC2.
Youneed to ensure that DC2 replicates the contoso.com zone by using Active Directory replication.
Which tool should you use?
A.
Ntdsutil
B.
Repadmin
C.
Dnslint
D.
Active Directory Domains and Trusts
Explanation:
If you see question about AD Replication, First preference is AD sites and services, then Repadmin
and then DNSLINT.
A
https://technet.microsoft.com/en-us/library/cc742490
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If you see question about AD Replication, First preference is AD sites and services, then Repadmin and then DNSLINT.This is allways the proper way.
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Then please explain why it would be any of those options?
I think it is A because if you install DNS on an RODC after AD is installed, the DNS server is not enlisted in the application directory partition and will not allow AD replication to it. To enlist it, one must use ntdsutil. (Although the procedure states to use dnscmd first and if it doesn’t work, force it with ntdsutil.)
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You can use Repadmin and DNSLINT and possibly AD Sites and Services to troubleshoot AD replication, but we most likely know what is going on here. Because they added the DNS server role to the RODC after they promoted it to an RODC, the DNS server never got enlisted into the application directory partition and therefore will not receive replication from AD. It needs to be enlisted by using NTDSUtil
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or dnscmd
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Really hoping these questions have been cleaned up.
The only answer in the list that will fix the problem is NTDSUtil (unless the RODC has already been added to DNS partition).
I would choose answer A.
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