HP0-J73 · Question #131
A company has deployed a large tie share, and expects 100 GB of new or changed data each day. The company would like to backup all objects in the file share and restore the share as quickly as possibl
The correct answer is B. Synthetic full backups. Synthetic full backups create a consolidated full backup image from existing backup data without re-reading production, enabling the fastest possible restores from a single backup set.
Question
A company has deployed a large tie share, and expects 100 GB of new or changed data each day. The company would like to backup all objects in the file share and restore the share as quickly as possible. The company would share and restore the share as quickly as possible. Which technology should the company use?
Options
- AIncremental backups
- BSynthetic full backups
- Cdifferential backups
- DFull backups
How the community answered
(20 responses)- A10% (2)
- B70% (14)
- C15% (3)
- D5% (1)
Why each option
Synthetic full backups create a consolidated full backup image from existing backup data without re-reading production, enabling the fastest possible restores from a single backup set.
Incremental backups only capture daily changes, requiring the original full backup plus every incremental in sequence to restore, which significantly slows recovery time.
A synthetic full backup merges a previous full backup with subsequent incremental backups into a new full backup on the backup server itself, without impacting production systems. This gives the company a single, self-contained restore point that enables the fastest restore time since there is no need to apply multiple backup sets, while also efficiently handling the 100 GB of daily changes by incorporating them incrementally.
Differential backups capture all changes since the last full backup and grow larger each day, requiring both the full backup and the latest differential to restore - slower than a synthetic full.
Running a full backup daily would require reading and transferring the entire file share each day, creating excessive backup windows and storage consumption for a large share.
Concept tested: Synthetic full backup for fast restore strategy
Source: https://learn.microsoft.com/en-us/azure/backup/backup-azure-backup-server-import-export
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