You are a desktop support technician for your company. The computers in the your company run Windows Vista. All computers contain a Wake-on-LAN compliant network card. To conserve energy, a corporate policy states that all computers should be powered off at night. You need to recommend a plan that allows Windows Update installations to run at night and consume minimal power. You configure the Enabling Windows Update Power Management to automatically wake up the system to install scheduled updates option and enable Windows Updates for all computers. What should you do next?

A.
Instruct users to sleep their computers at night.

B.
Instruct users to hibernate their computers at night.

C.
Instruct users to shutdown their computers at night.

D.
Instruct users to leave their computers on at night.