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AWS Certified Solutions Architect study material · question 328 of 500

What happens when an object is overwritten in a versioning-enabled bucket?

  1. A new version is created and the old one is retained
  2. The old object is replaced permanently
  3. The write is rejected until the old version is deleted
  4. A delete marker is inserted before the new object
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Answer: A. A new version is created and the old one is retained

Versioning keeps every variant of an object, so an overwrite adds a version rather than replacing what was there.

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

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