A media company stores high-resolution video files in Amazon S3. The files are frequently accessed for the first 30 days, then rarely accessed, but must be kept indefinitely for archiving. If a file is needed after 30 days, a retrieval time of up to 12 hours is acceptable. Which S3 lifecycle policy is MOST cost-effective?

Answer options:

Transition to S3 Standard-IA after 30 days.

Transition to S3 Glacier Flexible Retrieval after 30 days.

Transition to S3 Glacier Deep Archive after 30 days.

Transition to S3 Intelligent-Tiering after 30 days.

How to approach this question

Match 'retrieval time of up to 12 hours' and 'MOST cost-effective' with S3 Glacier Deep Archive.

Full Answer

C.Transition to S3 Glacier Deep Archive after 30 days.✓ Correct

S3 Glacier Deep Archive is Amazon S3's lowest-cost storage class and supports long-term retention and digital preservation for data that may be accessed once or twice in a year. Its standard retrieval time is 12 hours.

Common mistakes

Choosing Flexible Retrieval, which is slightly more expensive and faster than needed.

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