What two methods can be used to reduce the vMotion migration time of a virtual machine?
(Choose two.)

A.
Enable High priority on the virtual machine before starting the Migrate wizard.

B.
Select High priority during the Migrate wizard.

C.
Lower the memory reservation for the virtual machine.

D.
Ensure the cluster has the default Swapfile policy set.

Explanation:
http://www.infotechguyz.com/VMware/MigratingVirtualMachinesUsingvMotion.html