You are a system administrator for your company. The company has offices in Seattle and Vancouver that are connected through a WAN link. A System Center Data Protection Manager (DPM) 2007 server named DPM1 is installed in the Seattle office. A file server named Server1 is installed in the Vancouver office. DPM1 runs on Windows Server 2008 and Server1 runs on Windows Server 2003.You set bandwidth throttling for Server1 to 2 megabits per second (Mbps) during business hours and to 9,999 Mbps during non-business hours. You discover that the usage of the WAN link by the DPM traffic exceeds 2 Mbps during business hours. You need to limit the DPM traffic between DPM1 and Server1 to 2 Mbps during business hours. What should you do?

A.
Install the DPM 2007 Service Pack 1 on DPM1.

B.
Install the Reliable Multicast Protocol on Server1.

C.
Install the Windows Server Backup feature on DPM1.

D.
Install the Quality of Service (QoS) Packet Scheduler service on Server1.