What backup strategy is being used if subsequent backups only contain data that has changed since the previous backup?
Full
Differential
Incremental
Synthetic
An Incremental Backup stores only the data that has changed since the last backup, whether it was full or incremental, requiring less storage but taking longer to restore as all prior backups must be combined.
A Full Backup creates a complete copy of all data, regardless of changes, making it the most comprehensive but also the most time- and space-intensive.
A Differential Backup saves all data that has changed since the last full backup, growing larger over time until the next full backup is performed.
A Synthetic Backup generates a new, fully consolidated backup by merging data from previous full and incremental backups without reading data directly from the original source.
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