Question
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Your network contains an Active Directory Domain Services (AD DS) forest. The forest contains three Active Directory sites named Site1, Site2, and Site3. Each site contains two domain controllers. The sites are connected by using DEFAULTIPSITELINK.
You open a new branch office that contains only client computers.
You need to ensure that the client computers in the new office are primarily authenticated by the domain controllers in Site1.
Solution: You create a new site named Site4 and associate Site4 to DEFAULTIPSITELINK.
Does this meet the goal?
- A. Yes
- B. No Correct
Explanation
No. All three sites, and now Site4, are on DEFAULTIPSITELINK with the same cost, so nothing makes Site1 closer to Site4 than Site2 or Site3. A site that has no domain controllers is covered through automatic site coverage by the domain controllers in the site(s) with the lowest site link cost to it; with equal costs, the domain controllers in Site2 and Site3 can register for Site4 just as Site1's can, so clients are not primarily authenticated by Site1. Site4 also needs a subnet object for the branch office IP range, otherwise the clients are not mapped to any site. To meet the goal, associate the branch office subnet with Site1, or link Site4 to Site1 with a site link whose cost is lower than its links to the other sites.
