Which backup type creates a complete copy of all selected data, requiring the most storage and longest backup time, but offers the fastest and simplest recovery?

Which backup type creates a complete copy of all selected data, requiring the most storage and longest backup time, but offers the fastest and simplest recovery?

• A. Incremental Backup
• B. 3-2-1 Backup Rule
• C. Full Backup
• D. Differential Backup

Answer: (C)

Backing up data in a single, complete pass that captures everything you’ve selected creates a full backup. It uses the most storage because you’re duplicating all data every time, and it takes the longest to run. But restoration from a full backup is the simplest and fastest because you only need that one backup set—no chaining of multiple backups to recover all data. Incremental backups store only what changed since the last backup, so they’re quicker and lighter on storage, but restoring requires the full backup plus every subsequent incremental backup, which makes the process more time-consuming and complex. Differential backups save changes since the last full backup, so they restore faster than incremental (you need the full backup plus the latest differential) and use more space than incremental but less than a full backup. The 3-2-1 rule is a protective strategy, not a backup type, and doesn’t describe a single complete copy of data. So the described scenario matches a full backup.

Backing up data in a single, complete pass that captures everything you’ve selected creates a full backup. It uses the most storage because you’re duplicating all data every time, and it takes the longest to run. But restoration from a full backup is the simplest and fastest because you only need that one backup set—no chaining of multiple backups to recover all data.

Incremental backups store only what changed since the last backup, so they’re quicker and lighter on storage, but restoring requires the full backup plus every subsequent incremental backup, which makes the process more time-consuming and complex. Differential backups save changes since the last full backup, so they restore faster than incremental (you need the full backup plus the latest differential) and use more space than incremental but less than a full backup. The 3-2-1 rule is a protective strategy, not a backup type, and doesn’t describe a single complete copy of data.

So the described scenario matches a full backup.