A help-desk technician is designing a nightly workstation backup job. Management wants the backups to finish as quickly as possible and use the least amount of storage while still capturing every file that changes during the day.
Which backup method should the technician configure for the nightly job?
Incremental
Mirror
Full
Differential
Incremental backups copy only the data that has changed since the most recent backup of any type. Because each job processes a small amount of data, nightly backups complete quickly and consume minimal storage. To restore data, the technician would first apply the last full backup and then each incremental made since that full, but this trade-off is acceptable when the priority is a short backup window and low storage use. Full and mirror backups copy all data every time, requiring far more time and space, while differential backups grow larger each day because they include all changes since the last full backup.
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