What is a possible cause?

Posted by: Pdfprep Category: e20-593 Tags: , ,

You create an EMC NetWorker advanced file type device. You then notice that the corresponding read-only device is missing.

What is a possible cause?
A . Device is not labeled.
B . Device path is invalid.
C . Disk Backup Option Enabler is missing.
D . No backups have been performed.

Answer: A