Your network contains a domain controller that runs Windows Server 2008 R2.
You need to change the location of the Active Directory log files.
Which tool should you use?

A.
Dsamain

B.
Dsmgmt

C.
Dsmove

D.
Ntdsutil

Explanation:
http://support.microsoft.com/kb/257420
How To Move the Ntds.dit File or Log Files
Moving a Database or Log File
1. Restart the domain controller.
2. Press F8 at the Startup menu, and then click Directory Services Restore Mode.
3. Select the appropriate installation if more than one exists, and then log on as an
administrator at the logon prompt.
4. Start a command prompt, and then type ntdsutil.exe.NOTE: To get a list of commands
that you can use at the Ntdsutil prompt, type ?
5. At a Ntdsutil prompt, type files.
6. At the File Maintenance prompt, use one or both of the following procedures:
* To move a database, type move db to %s, where %s is the drive and folder where you
want the database moved.
* To move log files, type move logs to %s, where %s is the drive and folder where you want
the log files moved.
7. To view the log files or database, type info. To verify the integrity of the database at its
new location, type integrity.
8. Type quit, and then type quit to return to a command prompt.
9. Restart the computer in Normal mode.

NOTE: When you move the database and log files, you must back up the domain controller.