A company has a policy that states that all servers will be fully backed up on the weekend. Additionally, all changed items will be backed up each night. In the event of a server failure, the…

An incremental backup copies data changed since the last full or incremental backup, requiring the last full backup and all subsequent incremental backups for a full restore, which is more than two restore jobs.

A normal backup, also known as a full backup, copies all selected files regardless of change and marks them as backed up, which would be inefficient and violate the 'changed items' policy for nightly backups.

A differential backup copies all data that has changed since the last full backup. This strategy allows restoration using only the most recent full backup and the latest differential backup, fulfilling the requirement of two restore jobs.

A full backup copies all selected files and marks them as backed up; performing this nightly is inefficient and not aligned with the requirement to only back up 'changed items'.