HP Exam Questions

The company would like to minimize the backup window and minimize the amount of tapes needed to rest

A company uses a tape-based backup system to perform nightly backups of shared data. The
company would like to minimize the backup window and minimize the amount of tapes needed to
restore data

A.
user-defined backups

B.
differential backups

C.
incremental backups

D.
full backups

Explanation:
http://en.wikipedia.org/wiki/Incremental_backup