What may be the cause for the lack of detailed information; and how should the administrator enable the selection of individual items for restore?

An administrator is attempting to browse file and directory details, but only backup set header information is available.

What may be the cause for the lack of detailed information; and how should the administrator enable the selection of individual items for restore?
A . The backup sets have expired, and the media must be re-cataloged.
B . The backup sets have expired, and the media must be re-inventoried.
C . The Backup Exec server catalog settings have been set to truncate automatically, and the media must be re-cataloged.
D . The Backup Exec server catalog settings have been set to truncate automatically, and the media must be re-inventoried.

Answer: C