Your network contains an Active Directory forestnamed contoso.com.
The forest contains two sitesnamed Seattleand Montreal.
The Seattle sitecontains two domain controllers.
The domain controllersare configured as shown in the following table:

The Montreal sitecontains a domain controllernamed DC3.
DC3is the only global catalog server in the forest.
You needto configure DC2 as a global catalog server.
Which object’s propertiesshould you modify?
To answer, select the appropriate object in the answer area.

Answer:

Explanation:

Reference:
http://technet.microsoft.com/en-us/library/cc794934.aspx
To designate a domain controller to be a global catalog server
1. Click Start, point to Administrative Tools, and then click Active Directory Sites and Services.
2. In the console tree, expand the Sites container, and then expand the site in which you are designating a
global catalog server.
3. Expand the Servers container, and then expand theServer object for the domain controller that you want to
designate as a global catalog server.
4. Right-click the NTDS Settings object for the targetserver, and then click Properties.
5. Select the Global Catalog check box, and then click OK.