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Which Amazon S3 feature automatically moves objects to cheaper storage classes as they age (Standard → Standard-IA → Glacier → Deep Archive)?
AAWS Backup
BS3 Lifecycle policies (with transition + expiration rules)
CAmazon CloudFront
DS3 Versioning
Answer & Solution
Correct answer: B. S3 Lifecycle policies (with transition + expiration rules)
Lifecycle rules age objects through cheaper tiers or delete them after N days. Versioning preserves historical versions (separate concept). CloudFront caches at edge. AWS Backup orchestrates backups across services.
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