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AWS Certified Data Engineer Associate DEA-C01 Practice Question

An analytics company stores daily batch result files in an Amazon S3 bucket with versioning enabled. Operations teams must be able to re-download the most recent version for 90 days. After 90 days, only long-term archival is required. Any previous versions should be permanently removed 7 days after they become non-current. Which solution meets the requirements while minimizing operational effort and storage cost?

  • Use AWS Glue to copy objects older than 90 days into an S3 Glacier Deep Archive bucket and configure a separate Lifecycle rule to expire noncurrent versions after 7 days.

  • Create a single S3 Lifecycle rule with no filter that transitions current object versions to Glacier Flexible Retrieval after 90 days and sets the NoncurrentVersionExpiration action to 7 days.

  • Enable S3 Intelligent-Tiering with Archive Access after 90 days and add an EventBridge-triggered Lambda function that deletes noncurrent versions 7 days after they appear.

  • Enable S3 Replication to a destination bucket using the Glacier Flexible Retrieval storage class with a 90-day replication time and employ S3 Batch Operations weekly to delete noncurrent versions.

AWS Certified Data Engineer Associate DEA-C01
Data Store Management
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