With regard to ITIL Change Management, which of the following statements are true? (Choose 2.)

A.
ITIL Change Management improves the overall service level to users.

B.
ITIL Change Management makes the change so it becomes operational.

C.
ITIL Change Management tests the change to minimize the chance of it failing.

D.
ITIL Change Management ensures adequate resources are available to make the change.

E.
ITIL Change Management backs out the change if problems occur during its implementation.