Your company has a main office and four branch offices.
An Active Directory site exists for each office. Each site contains one domain controller. Each branch office site has a site link to the main office site.
You discover that the domain controllers in the branch offices sometimes replicate directly to each other.
You need to ensure that the domain controllers in the branch offices only replicate to the domain controller in the main office.
What should you do?
A.
Modify the firewall settings for the main office site.
B.
Disable the Knowledge Consistency Checker (KCC) for each branch office site.
C.
Disable site link bridging.
D.
Modify the security settings for the main office site.