A company requires an Amazon S3 storage option that provides object access latency measured in single-digit milliseconds. Which S3 storage class fits this requirement?
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Correct answer: S3 One Zone.
Why this is the answer
S3 One Zone-Infrequent Access (S3 One Zone-IA) offers single-digit millisecond access latency, making it suitable for frequently accessed, non-critical data that can be re-created if lost. While S3 Standard also provides single-digit millisecond latency, S3 One Zone-IA is a more cost-effective option for data that is accessed less frequently but still requires fast retrieval. S3 Glacier Flexible Retrieval and S3 Glacier Instant Retrieval are designed for archiving and have higher access latencies (minutes to hours for Flexible Retrieval, and milliseconds for Instant Retrieval but at a higher cost than S3 One Zone-IA for infrequent access).
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