Which memory management method can be used to guarantee that the application performs well at all times?

During peak operating hours, an administrator finds that a business-critical application running in a
virtual machine is not performing as well as during normal hours.
Which memory management method can be used to guarantee that the application performs well
at all times?

A.
Set a reservation equal to the average memory utilization of the virtual machine running the
application.

B.
Set the share level to high for the virtual machine running the application and set the share
level for all other virtual machines to low.

C.
Check the Reserve all guest memory checkbox.

D.
Set a reservation equal to the installed memory of the ESXi host running the application.