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AWS Certified Solutions Architect study material · question 259 of 500

What does versioning in the destination bucket add to an S3 Cross-Region Replication strategy?

  1. Encryption of the replicated objects
  2. A choice of restoration point among stored versions
  3. Faster replication of new objects
  4. Automatic promotion of the destination to primary
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Answer: B. A choice of restoration point among stored versions

CRR copies objects continuously, and versioning at the destination lets a specific earlier version be chosen when restoring.

Source: Disaster recovery options in the cloud (Amazon Web Services) — Backup and restore — AWS services

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