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AWS Certified Solutions Architect study material · question 246 of 500

Why is a daily automatic backup of an FSx for Windows file system file-system-consistent?

  1. Backups run only during the maintenance window
  2. Each backup is a full copy rather than incremental
  3. Amazon FSx uses the Windows Volume Shadow Copy Service
  4. The file system is quiesced and unmounted first
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Answer: C. Amazon FSx uses the Windows Volume Shadow Copy Service

VSS is what makes the backups consistent; they are also incremental and a daily automatic backup is enabled when the file system is created.

Source: What is FSx for Windows File Server? (Amazon Web Services) — FSx for Windows File Server resources

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