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AWS Certified Solutions Architect study material · question 270 of 500

Multi-site active/active brings recovery time close to zero. Which failure still leaves a non-zero recovery point?

  1. The loss of a single EC2 instance
  2. A failed deployment in one Region
  3. Data corruption, which must be recovered from backups
  4. The loss of a single Availability Zone
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Answer: C. Data corruption, which must be recovered from backups

Active/active replicates faithfully, so corrupted data spreads too; recovering it means returning to point-in-time backups.

Source: Disaster recovery options in the cloud (Amazon Web Services) — Multi-site active/active

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