A company has limited storage space available and an online presence that cannot be down for more than four hours. Which of the following backup methodologies should the company implement to allow for the FASTEST database restore time in the event of a failure, while being mindful of the limited available storage space?
A) Implement full tape backups every Sunday at 8:00 p.m. and perform nightly tape rotations.
B) Implement differential backups every Sunday at 8:00 p.m. and nightly incremental backups at 8:00 p.m.
C) Implement nightly full backups every Sunday at 8:00 p.m.
D) Implement full backups every Sunday at 8:00 p.m. and nightly differential backups at 8:00 p.m.

Question

Quizplus · Accepted Answer

Differential backups only back up the data that has changed since the last full backup, while incremental backups only back up the data that has changed since the last backup of any type. This means that differential backups are faster than full backups, and incremental backups are faster than differential backups. Since the company has limited storage space, differential backups are a good option because they will take up less space than full backups.

A Company Has Limited Storage Space Available and an Online