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Your company has a main office and nine branch offices. Each office is configured as a separate TCP/IP subnet.
You plan to deploy Active Directory domain controllers in all offices. You install the first domain controller for the forest in the main office.
You need to prepare the environment for the deployment of domain controllers in all offices. The solution must ensure that users always authenticate to a domain controller in their local office, unless it is unavailable.
What should you do?
A. Create 10 subnet objects and one site object. Link all subnet objects to the site. Install domain controllers in all offices.
B. Create a subnet object and a site object for each office. Link each subnet object to its respective site. Install domain controllers in all offices.
C. Install domain controllers in all offices. Create 10 subnet objects and one site object. Link all subnet objects to the site.
D. Install domain controllers in all offices. Create a subnet object and a site object for each office.
Link each subnet object to its respective site.
Correct Answer: B
Explanation/Reference:
Explanation:
To prepare the environment for the deployment of domain controllers in all offices and that the users should always authenticate to their local domain controllers in their local office, unless the domain controller in their local offices is unavailable, you need to create a subnet object and a site object for each office and then link each subnet object to its respective site and then install domain controllers in all offices.
You should create sites for all locations in which you plan to place domain controllers and create subnet objects in AD DS for every IP subnet and subnet mask associated with each location. Subnet objects are used to represent all the IP addresses within the site
A well-designed site topology helps an organization to optimize the ability of client computers to locate the nearest resources, such as domain controllers and Distributed File System (DFS) servers. This helps client computers to authenticate to their nearest domain controllers.
Domain controllers use site information to inform Active Directory clients about domain controllers present within the closest site as the client. The domain controller also informs the client whether the chosen domain controller is the closest one to it. By finding a domain controller in the same site, the client avoids communications over WAN links. If no domain controllers are located at the client site, a domain controller that has the lowest cost connections relative to other connected sites advertises itself in the site that does not have a domain controller. The domain controllers that are published in DNS are those from the closest site as defined by the site topology. This process ensures that every site has a preferred domain controller for authentication.
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Microsoft 70-647 Exam
Reference: Creating a Site Design Deciding which locations will become sites
http://technet2.microsoft.com/windowsserver2008/en/library/5ed8b9ca-e88a-4e06-a203- 83d37b54d9bb1033.mspx?mfr=true
Reference: Site Functions
http://technet2.microsoft.com/windowsserver2008/en/library/5ed8b9ca-e88a-4e06-a203- 83d37b54d9bb1033.mspx?mfr=true