Your company has a main office and four branch offices. The main office is located in
London.
The network contains an Active Directory domain named contoso.com. Each office contains
one domain controller that runs Windows Server 2012. The Active Directory site topology is
configured as shown in the exhibit. (Click the Exhibit button.)
You discover that when a domain controller in a branch office is offline for maintenance,
users in that branch office are authenticated by using the domain controllers in any of the
sites.
You need to recommend changes to Active Directory to ensure that when a domain
controller in a branch office is offline, the users in that branch office are authenticated by the
domain controllers in London.
What should you include in the recommendation?
Exhibit
A.
Modify the DC Locator DNS Records settings.
B.
Disable site link bridging.
C.
Modify the site link costs.
D.
Modify the service location (SRV) records in DNS.
Explanation:
After having read several articles on the subject, I would say the correct answer for this
question would be modifying the DC locator DNS record. Though I have never used it in any
environment I worked in. But I am not sure. If anyone can clarify this one, mail me at
badmuts13(a)gmail.com
I think that D is correct. Modify the SRV records. Adding manual site coverage would allow an administrator to add another (known) DC to the list of DCs in each site. Here, by adding a London DC (or DCs) in the LDAP and Kerberos SRV records would fix this.
https://blogs.technet.microsoft.com/askds/2011/04/29/sites-sites-everywhere/
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I doubt that would work with how regularly DCs reregister their records.
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https://support.microsoft.com/en-us/kb/306602
answer is A. to delete non-site specific DC locator records registered by DCs in branch offices
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Well What about Disable Site link Bridging
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