A systems administrator needs to back up changes made to a data store on a daily basis during a short time frame. The administrator wants to maximize RTO when restoring data. Which of the following ba

The correct answer is D. Incremental backups. An incremental backup is a backup method that only backs up the files that have changed since the last backup, whether it was a full or an incremental backup. An incremental backup can save disk space and time, as it only copies the new or modified data. An incremental backup can

Security and disaster recovery

Question

A systems administrator needs to back up changes made to a data store on a daily basis during a short time frame. The administrator wants to maximize RTO when restoring data. Which of the following backup methodologies would best fit this scenario?

Options

AOff-site backups
BFull backups
CDifferential backups
DIncremental backups

How the community answered

(35 responses)

A
3% (1)
B
3% (1)
C
11% (4)
D
83% (29)

Explanation

An incremental backup is a backup method that only backs up the files that have changed since the last backup, whether it was a full or an incremental backup. An incremental backup can save disk space and time, as it only copies the new or modified data. An incremental backup can also improve the RTO (Recovery Time Objective), which is the maximum acceptable time to restore data after a disaster. This is because an incremental backup can restore data faster than a full or a differential backup, as it only needs to apply the latest changes to the previous backup.

Topics

#Backup strategy#Incremental backups#Recovery Time Objective#Disaster recovery

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