What type of backup requires the least amount of storage space and captures only the changes made since the most recent backup of any type?
Snapshot
Full backup
Differential backup
Incremental backup
An incremental backup requires the least amount of storage space because it only captures the changes made since the last backup, regardless of whether the last backup was full or incremental. This contrasts with a differential backup, which captures changes made since the last full backup, potentially using more storage as the amount of data changes increases over time. A snapshot may be space-efficient but is a copy of the system state at a point in time, not based on the changes. A full backup is the most comprehensive and storage-intensive, as it duplicates all data.
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