how can you preserve workload information that can be used for system tuning?

Prior to performing an OpenVMS upgrade, how can you preserve workload information that can
be used for system tuning? Select TWO.

A.
@SYS$SYSTEM:SAVE_FEEDBACK

B.
MCR SYSMAN PARAMETERS SAVE

D.
MCR SYSGEN SAVE FEEDBACK
MONITOR SYSTEM /RECORD=FEEDBACK

D.
MCR SYSGEN SAVE FEEDBACK
MONITOR SYSTEM /RECORD=FEEDBACK

E.
@SYS$UPDATE:AUTOGEN SAVPARAMS

F.
@SYS$SYSTEM:SHUTDOWN using the SAVE_FEEDBACK option