CISA Exam-Testing Concept-Backup Schemes (Full/Differential/Incremental) (Domain-4)

CISA aspirants should understand various backup schemes as follow:

Full Backup- Every time data backup is taken of full database irrespective of earlier backup.

Differential Backup-Backup is taken only of data changed/modified since last full backup (last back to be full back-up only).

Incremental Backup-Backup is taken only of data changed/modified since last backup (last backup can be either full backup or incremental backup).