AWS Certified Solutions Architect Associate SAA-C03 Practice Question
A company uploads monthly reports to an S3 bucket. These reports are frequently accessed for the first 30 days, occasionally accessed for the next 60 days, and rarely there after. The company needs a cost-effective solution to store and access these reports. Which lifecycle policy should be applied to the objects to minimize storage costs while keeping them available for occasional access when needed?
Transition to S3 Standard-Infrequent Access after 30 days and then to S3 Glacier Flexible Retrieval after 90 days
Transition to S3 One Zone-Infrequent Access after 30 days and S3 Glacier Flexible Retrieval after 90 days
Keep the reports in S3 Standard without transitioning to another storage class
Use S3 Intelligent-Tiering without any transitions
The correct answer is to transition the reports to S3 Standard-Infrequent Access (S3 Standard-IA) after 30 days and then to S3 Glacier Flexible Retrieval (formerly known as S3 Glacier) after 90 days. S3 Standard-IA is cost-effective for data that is accessed less frequently but requires rapid access when needed. After 90 days, when the reports are rarely accessed, moving them to S3 Glacier Flexible Retrieval will further reduce storage costs. S3 One Zone-Infrequent Access is cheaper than S3 Standard-IA but does not offer the same level of availability and resilience, as it stores data in a single Availability Zone. S3 Intelligent-Tiering could also be used, but in this scenario, the access patterns are predictable, so utilizing lifecycle transitions to Standard-IA and Glacier Flexible Retrieval is more cost-effective.
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