Which of the following types of backups requires the MOST time?

A full backup involves copying all data to the backup storage location. It is the most comprehensive type of backup, which makes it the most time-consuming. This is because every file and folder is included in the backup, regardless of when it was last modified.

Incremental and differential backups are faster because they only copy data that has changed since the last backup. Incremental backups include data that has changed since the last incremental backup, while differential backups include data that has changed since the last full backup.

Offsite backups refer to the location where the backup is stored rather than the method of backup, so the time required can vary widely depending on the specific circumstances.

References: The information provided here is based on standard backup practices and principles, which are likely to be consistent with those found in ISACA’s Cybersecurity Audit resources. For specific references, please consult the ISACA Cybersecurity Audit Manual or related study guides12.