Medium1 markMultiple Choice
Domain 4.1: Storage Cost OptimizationS3LifecycleCost Optimization

AWS SAA-C03 · Question 55 · Domain 4.1: Storage Cost Optimization

A hospital generates large amounts of patient data daily. The data is frequently accessed for the first 30 days. After 30 days, it is rarely accessed but must be retained immediately accessible for 1 year. After 1 year, it must be archived for 7 years for compliance.<br/><br/>Which TWO actions should a solutions architect take to minimize costs? (Select TWO.)

Answer options:

A.

Create an S3 Lifecycle policy to transition objects to S3 Standard-IA after 30 days.

B.

Create an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive after 30 days.

C.

Create an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive after 1 year.

D.

Use S3 Intelligent-Tiering for all data.

E.

Transition objects to S3 One Zone-IA after 30 days.

How to approach this question

Map the timeframes to the most cost-effective S3 storage classes.

Full Answer

For predictable access patterns, S3 Lifecycle policies are the most cost-effective. Transitioning to S3 Standard-IA after 30 days saves money while maintaining immediate access. Transitioning to S3 Glacier Deep Archive after 1 year provides the lowest possible storage cost for the 7-year retention period.

Common mistakes

Choosing Intelligent-Tiering when the access pattern is explicitly known and predictable.

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