Crucial Exams

AWS Certified Data Engineer Associate DEA-C01 Practice Question

A data engineering team stores hourly JSON files in the s3://prod-iot/raw/ prefix. The bucket has versioning enabled. To reduce storage costs, the team must automatically delete the current object versions after 180 days and remove any non-current versions 30 days after they become non-current. Which approach satisfies these requirements while requiring the least ongoing maintenance?

  • Create one S3 Lifecycle rule for the raw/ prefix that sets Expiration to 180 days and NoncurrentVersionExpiration to 30 days.

  • Schedule an AWS Glue job that runs daily and deletes objects older than 180 days and non-current versions older than 30 days by calling the S3 API.

  • Enable S3 Intelligent-Tiering for the bucket and rely on automatic archival and deletion of infrequently accessed objects.

  • Use EventBridge to invoke a Lambda function on each object creation that tags objects for 180-day retention, then configure S3 Object Lock to delete non-current versions after 30 days.

AWS Certified Data Engineer Associate DEA-C01
Data Store Management
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