The table shows a possible combination for creating virtual tapes when using CLARiiON Disk Library.
When would this combination be used?

A.
User wants to specify the LUN(s) on which to create virtual tapes and the DL has an attached physical tape library

B.
User does NOT want to specify the LUN(s) on which to create virtual tapes and the DL does NOT have an attached physical tape library

C.
User wants to specify the LUN(s) on which to create virtual tapes and the DL does NOT have an attached physical tape library

D.
User does NOT want to specify the LUN(s) on which to create virtual tapes and the DL has an attached physical tape library