The ABC.com network consists of a single Active Directory domain named ABC.com. All servers
on the ABC.com network run Windows Server 2003.
ABC.com has a main office in Chicago and a branch office in Miami. The two offices are
configured as Active Directory sites and are connected by a 56Kbps WAN link which is available
only during office hours.
The Miami site contains a domain controller named ABC-DC02.
A ABC.com user named Andy Reid works in the Miami office. One morning Andy Reid complains
that the response times on the WAN link is slow. You then investigate the problem and discover
that the problem is due to Active Directory replication activity.
How can you reduce the traffic going over the WAN connection?

A.
By moving the computer object for ABC-DC02 to the Active Directory site for the Chicago office.

B.
By configuring ABC-DC02 as a DNS server.

C.
By having the replication interval decreased on the site link between the two sites.

D.
By having the replication interval increased on the site link between the two sites.

E.
By removing the Global Catalog from ABC-DC02 and enabling universal group membership in
the Miami office.

Explanation:
The branch office contains a domain controller from the ABC.com domain.
Replication between this domain controller and a domain controller at the main office is using up
the bandwidth of the 56Kbps link between the two sites. We can reduce the WAN link usage by
increasing the replication interval, therefore ensuring that replication across the WAN link occurs
less frequently.
Reference:
Craig Zacker, MCSE Self-Paced Training Kit (Exam 70-293): Planning and Maintaining a Microsoft
Windows Server 2003 Network Infrastructure, Microsoft Press, Redmond, Washington, 2004, p. 4:
36