What can you do to minimize the downtime to the virtual machines (VMs) when taking an ESX Server down for maintenance?

A.
migrate the VMs to a different datastore

B.
suspend VMs to preserve state information

C.
create a clone of the VM

D.
migrate the VMs with VMotion

Explanation:
VMware VMotion Live Migration for Virtual Machines Without Service Interruption, page 1.

physical
server to another with zero downtime, continuous service availability, and complete transaction
integrity.