CompTIA A+ Core 2 (220-1102) — Question 619

A technician is setting up a backup method on a workstation that only requires two sets of tapes to restore. Which of the following would BEST accomplish this task?

Answer options

Correct answer: A

Explanation

A differential backup captures all changes made since the last full backup, requiring only the last full backup and the latest differential backup for restoration, thus needing only two tape sets. In contrast, an incremental backup would require multiple tapes, as each incremental backup only saves changes since the last backup, necessitating all previous increments for a complete restore. A full backup requires more than two tapes if there are multiple backups involved, and off-site backup refers to the location rather than the method itself.