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AWS Certified Solutions Architect study material · question 448 of 500

An EBS volume is not delivering the IOPS it was provisioned for. What should be checked first?

  1. Whether the instance is EBS-optimized
  2. Whether the volume is encrypted
  3. Whether a snapshot is in progress
  4. Whether the volume is in the same subnet as the instance
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Answer: A. Whether the instance is EBS-optimized

Fully using provisioned IOPS requires an EBS-optimized instance; instance configuration and I/O size also shape the throughput achieved.

Source: Amazon EBS volume types (Amazon Web Services) — Important

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