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AWS Certified Solutions Architect study material · question 293 of 500

How is S3 Express One Zone's data stored?

  1. Across three Availability Zones in the Region
  2. On a single device with a mirrored replica
  3. Across two Regions with asynchronous replication
  4. Redundantly on several devices inside a single Availability Zone
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Answer: D. Redundantly on several devices inside a single Availability Zone

Express One Zone gains its low latency by keeping the data on multiple devices within one Availability Zone.

Source: Understanding and managing Amazon S3 storage classes (Amazon Web Services) — Storage classes for frequently accessed objects

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