Question of the Day for the MCTS 70-640 Exam: Windows Server 2008 Active Directory, Configuring

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Brent is a systems administrator for a company that operates a single domain Active Directory network. As a result of corporate expansion, the company is opening a new branch office in a neighboring city. Brent installs a new domain controller and several client computers in the new office, and he sets up a 56Kbps WAN link between the two offices. He needs to make sure that all changes to Active Directory that are configured on head office domain controllers are replicated to the new office domain controller as soon as possible. He also needs to make sure that network traffic over the WAN is kept minimal and that users in the branch office always authenticate to the domain controller in that office.What should Brent do to meet these objectives?

A. Create a new OU for the branch office, and add all computer accounts for clients and the branch office domain controller to this OU.

B. Designate the branch office as a new Active Directory site. Configure the subnet that includes the computers in this office as belonging to that site, and specify the site link cost to be 1.

C. Designate the branch office as a new Active Directory site. Configure the subnet that includes the computers in this office as belonging to that site, and specify a 15-minute intersite replication interval.

D. Designate the branch office as a new Active Directory site. Configure the subnet that includes the computers in this office as belonging to that site, and specify the replication interval to be 0.

C. Active Directory uses the concept of sites to include physically distinct portions of a network that are well connected internally but separated from other portions of the network by a slow link such as a WAN connection. By designating the branch office as an Active Directory site, Brent can ensure that users in that office authenticate to the domain controller in the same office. He can also configure the intersite replication interval to balance the conservation of bandwidth with the rapid availability of Active Directory changes between the two offices.

Creating an OU for the branch office does not cause users to always authenticate to the branch office domain controller, nor does it regulate replication traffic between the two offices; therefore, answer A is incorrect. In a scenario like this one where only one site link exists, the site link cost is immaterial, so answer B is incorrect. It is not possible to specify a zero replication interval; this number is processed as the nearest multiple of 15 minutes from 15 to 10,080 minutes (one week); therefore, answer D is incorrect.

This question is from this book:

MCTS 70-640 Exam Cram: Windows Server 2008 Active Directory, Configuring
By Don Poulton
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