MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -This results in a minimal time to restore data, a metric known as a recovery time objective. However, the disadvantages are that it takes longer to perform a full backup than other types (sometimes by a factor of 10 or more), and it requires more storage space.

Detailed explanation-2: -A full backup is when a complete copy of all files and folders is made. This is the most time-consuming backup of all methods to perform and may put a strain on your network if the backup is occurring on the network.

Detailed explanation-3: -Incremental backups are completed quickly and require fewer resources. Disadvantage: While incremental backups have the fastest backup time, they also boast the slowest data recovery time.

Detailed explanation-4: -Incremental Backup Only the recent changes (increments) are backed up, consuming less storage space and resulting in a speedy backup. However, the recovery time is longer since more backup files will need to be accessed.

Detailed explanation-5: -The advantage that differential backup offers over incremental backups is a shorter restore time. When speed is important, such as in a disaster recovery scenario where downtime is unacceptable, rapid restores can be crucial. Restoring a differential backup never requires more than two backup sets.