AWS Certified AI Practitioner AIF-C01 Practice Question
A data science team stores large training datasets in an Amazon S3 bucket. To meet governance policies for cost-effective retention, objects older than 90 days must automatically transition to a lower-cost storage class without manual action. Which S3 feature should they configure to satisfy this requirement?
Activate S3 Transfer Acceleration for the bucket.
Enable S3 Object Lock on the objects.
Configure Amazon S3 Lifecycle rules for the bucket.
Amazon S3 Lifecycle rules let administrators define actions, such as transitioning objects to a different storage class or expiring them, based on object age. A rule can specify that objects move to a lower-cost class after 90 days, meeting data-lifecycle and retention policies.
S3 Object Lock enforces write-once-read-many protection but does not move data to another storage class.
S3 Replication copies objects to another bucket or Region; while you can optionally assign a different storage class to the replicas, it does not change the storage class of the source objects and is not intended for automated cost-based transitions within the same bucket.
S3 Transfer Acceleration speeds up uploads and downloads and is unrelated to lifecycle management.
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What are S3 Lifecycle rules, and how do they work?
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What are the benefits of using lower-cost storage classes like S3 Glacier or S3 Standard-IA?
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AWS Certified AI Practitioner AIF-C01
Security, Compliance, and Governance for AI Solutions
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