Which type of backup scheme only covers data that has changed since the last backup?
A) full backup
B) incremental backup
C) differential backup
D) snapshot backup

Question

Quizplus · Accepted Answer

Incremental backup only covers data that has changed since the last backup. It is more efficient than full backup as it only backs up changed data, reducing backup time and storage requirements. Differential backup, on the other hand, backs up all changes since the last full backup and not just since the last backup. Snapshot backup is a backup of the entire system at a specific point in time, regardless of changes made since the last backup.

Which Type of Backup Scheme Only Covers Data That Has