After a recent audit, you have been requested to minimize an existing Solaris system which runs a third party database application. Which two should you do before starting to minimize the system? (Choose two.)

A.
Back up the system.

B.
Remove any unneeded patches.

C.
Install the SUNWrnet metacluster.

D.
Remove any unneeded packages.

E.
Confirm with the vendor of the database software that they support minimization.