AWS Certified Data Engineer - Associate DEA-C01Demo

By Amazon · Question Mode

QuestionQ324

Data Store Management

A company produces annual financial statements for customers and saves them in an Amazon S3 bucket. Customers seldom access the documents after 1 week. The company must keep the statements for 7 years, and they must remain readily accessible to customers.

Which solution meets these requirements in the MOST cost-effective manner?

  • A Create an S3 Lifecycle rule to transition objects to S3 Glacier Deep Archive after 7 days. Expire the objects after 7 years.
  • B Set the S3 bucket to use S3 Intelligent-Tiering when new objects are uploaded. Set objects to expire after 7 years.
  • C Create an S3 Lifecycle rule to transition objects to S3 Glacier Instant Retrieval after 7 days. Expire the objects after 7 years.
  • D Set the S3 bucket to use S3 Glacier Instant Retrieval when new objects are uploaded. Create an AWS Lambda function that runs daily to delete any objects that are older than 7 years.
Explanation

S3 Glacier Instant Retrieval is intended for long-lived, infrequently accessed data that requires millisecond retrieval, so customers can access statements immediately. An S3 Lifecycle rule can transition the objects after 7 days and expire them after 7 years, providing automated retention and deletion at lower long-term storage cost. S3 Glacier Deep Archive requires restoration before access and is therefore not readily accessible.

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