You Make Use of a Third Party Virtualization Program on a Server

You make use of a third party virtualization program on a server that is also an Active Directory domain controller.The virtualization program is hosting a web server on the server,but the web server is usually accessed more in the afternoon than in the morning.Due to the increased resource usage caused by early morning users logging in to the domain,you want to find a way to manage CPU utilization.
What should you do?

A) Use the Equal_Per_Process policy in Windows System Resource Manager
B) Use the Equal_Per_User policy in Windows System Resource Manager
C) Configure the Active Directory process as "High Priority" in Task Manager every morning
D) Configure a custom Windows System Resource Manager policy for the third party virtualization program,and set its resource allocation to be lowered during morning hours only