What capability does the Amazon S3 Intelligent-Tiering storage class provide?
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Correct answer: Automatic cost savings by moving objects between tiers based on access pattern changes.
Why this is the answer
Amazon S3 Intelligent-Tiering automatically optimizes storage costs by moving data between two access tiers: a frequent access tier and an infrequent access tier. It monitors access patterns and shifts objects to the appropriate tier without performance impact or operational overhead. This ensures cost savings for data with changing or unknown access patterns. The incorrect options describe other AWS services or S3 capabilities: Payment flexibility by reserving storage capacity relates to reserved instances for services like EC2, not S3 Intelligent-Tiering. Long-term retention of data by copying the data to an encrypted Amazon Elastic Block Store (Amazon EBS) volume describes a data migration or backup strategy, not an S3 storage class feature. Secure, durable, and lowest cost storage for data archival describes S3 Glacier or S3 Glacier Deep Archive, which are designed for long-term, infrequent access, not automatic tiering based on changing patterns.
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