Is “An administrator wants to be able to do a live migration of a Xen virtual machine” true?

An administrator wants to be able to do a live migration of a Xen virtual machine.
Which of the following statements are true?
(Select TWO correct answers)

A.
The virtual machines need to have the storage backend to the virtual disk files available on shared storage.

B.
Live migration is only supported in SAN environments.

C.
Live migration needs to be enabled in the configuration file of the virtual machine.

D.
Nothing needs to be done, live migration is supported by default.

E.
The Xen daemon’s configuration file needs to be modified to make sure that live migration to this host is allowed.