Your company has a server that runs Windows Server 2008 R2. The server runs an instance
of ActiveDirectory Lightweight Directory Services (AD LDS).
You need to replicate the AD LDS instance on a test computer that is located on the
network.
What should you do?

A.
Run the repadmin /kcc <servername> command on the test computer.

B.
Create a naming context by running the Dsmgmt command on the test computer.

C.
Create a new directory partition by running the Dsmgmt command on the test computer.

D.
Create and install a replica by running the AD LDS Setup wizard on the test computer.

Explanation:
http://technet.microsoft.com/en-us/library/cc771946.aspx
Create a Replica AD LDS Instance
To create an AD LDS instance and join it to an existing configuration set, use the Active
Directory Lightweight
Directory Services Set Wizard to create a replica AD LDS instance.
To create a replica AD LDS instance
1. Click Start, point to Administrative Tools, and then click Active Directory Lightweight
Directory Services Setup Wizard.
2. On the Welcome to the Active Directory Lightweight Directory Services Setup Wizard
page, click Next.
3. On the Setup Options page, click A replica of an existing instance, and then click Next.
4. Finish creating the new instance by following the wizard instructions.