At a minimum, what must be done before upgrading IBM Tivoli Storage Manager (TSM)? Check for hardware requirements.
Check for the newest TSM fixes.
Perform a backup of the TSM environment including the database.
Update the BIOS of the TSM server.
A.
1, 2, 3
B.
2, 3, 4
C.
1, 3, 4
D.
1, 2, 4