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AWS Certified Solutions Architect study material · question 486 of 500

Why does keeping three versions of an object in a versioned bucket cost as much as three objects?

  1. Versions are stored in a more expensive storage class
  2. Versions are replicated to a second Region automatically
  3. Each version is a whole object, not a difference from the previous one
  4. Versioned buckets carry a per-version surcharge
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Answer: C. Each version is a whole object, not a difference from the previous one

Normal S3 rates apply to every version stored and transferred, and no delta encoding is used between versions.

Source: Retaining multiple versions of objects with S3 Versioning (Amazon Web Services) — Note

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