Your network contains an Active Directory domain named contoso.com.
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.
The Branch site contains a perimeter network.
For security reasons, client computers in the perimeter network can communicate with client
computers in the Branch site only.
You plan to deploy a new RODC to the perimeter network in the Branch site.
You need to ensure that the new RODC will be able to replicate from DC10.
What should you do first on DC10?
A.
Enable the Bridge all site links setting.
B.
Run the Active Directory Domain Services Configuration Wizard.
C.
Create an Active Directory site link bridge.
D.
Create an Active Directory site.
Explanation:
Site link transitivity is controlled by the Bridge all site links option on the properties pages of
transport folders (such as IP or SMTP) in the Active Directory Sites and Services snapin.
Site link transitivity is enabled by default.
If you cannot place a writable Windows Server 2008 domain controller in the nearest site to the
RODC, RODC replication depends on a site link bridge between the site links that contain the site
of the RODC and the site of the writable Windows Server 2008 domain controller.
AD Site not readed for RODC
http://technet.microsoft.com/en-us/library/dd736189(v=WS.10).aspx
http://technet.microsoft.com/en-us/library/cc738789(v=ws.10).aspx
http://technet.microsoft.com/en-us/library/cc732632(v=ws.10).aspx
http://technet.microsoft.com/en-us/library/cc778718(v=WS.10).aspx
Run the Active Directory Domain Services Configuration Wizard. Because cannot replicate from a RODC.
Can an RODC replicate to other RODCs?
No, an RODC can only replicate from a writable Windows Server 2008 domain controller. In addition, two RODCs for the same domain in the same site do not share cached credentials. You can deploy multiple RODCs for the same domain in the same site, but it can lead to inconsistent logon experiences for users if the WAN to the writeable domain controller in a hub site is offline. This is because the credentials for a user might be cached on one RODC but not the other. If the WAN to a writable domain controller is offline and the user tries to authenticate with an RODC that does not have the user’s credentials cached, then the logon attempt will fail.
https://technet.microsoft.com/en-us/library/cc754956%28v=ws.10%29.aspx
I’ll go with B
B. Because: “In order for an RODC to act as a replica server, there must be a writeable domain controller within the same domain as the RODC. In addition, the writable domain controller in the next closest site must be running Windows Server 2008 or higher.” from ‘Exam 70-412 Configuring Advanced Windows Server 2012 Services Microsoft Official Academic Course’, page 370. All conditions are fulfilled, site bridging not applicable as we have only two sites.
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What about this:
If you cannot place a writable Windows Server 2008 domain controller in the nearest site to the RODC, RODC replication depends on a site link bridge between the site links that contain the site of the RODC and the site of the writable Windows Server 2008 domain controller.
Here we have 2 RODC’s but a replication with the DC