Given an IBM Tivoli Storage Manager (TSM) installation where tape drives often show as offline or
tape volumes are set as read-only, other than operating system logs and tape cleaning, which two
areas might a TSM administrator investigate to analyze the cause of these problems’? (Choose two.)

A.
SAN zoning

B.
ONLINE tape log

C.
NIC power supply

D.
OFFLINE tape log

E.
firmware mismatch