AWS Certified Solutions Architect Associate SAA-C03 Practice Question
Your client needs to store large video files that are accessed frequently within the first 30 days after upload but are rarely accessed thereafter. The client requires the data to be retrievable within minutes for the first 90 days, after which retrieval time is less critical. How should the client's data be tiered to minimize storage costs while adhering to these access requirements?
Immediately store the videos in Amazon S3 Glacier upon upload as access frequency decreases over time.
Start with the videos in Amazon S3 Standard-Infrequent Access and transition them to S3 Glacier after the first 30 days.
Use the Amazon S3 Intelligent-Tiering storage class and configure a Lifecycle policy to transition objects to S3 Glacier Flexible Retrieval after 90 days.
Store the videos in Amazon S3 Standard and manually move them to S3 Glacier Deep Archive after 30 days.
Amazon S3 Intelligent-Tiering is designed for workloads with changing or unknown access patterns. Objects begin in the Frequent Access tier, shift to the Infrequent Access tier after 30 days of no access, and then to the Archive Instant Access tier after 90 days of no access-all of which provide millisecond retrieval, satisfying the "within-minutes" requirement for the first 90 days. A Lifecycle rule can then transition the objects to the S3 Glacier Flexible Retrieval storage class after 90 days to further reduce long-term cost, where retrieval can take minutes to hours-acceptable once rapid access is no longer required. Storing everything in S3 Standard or Standard-IA for the whole period is more expensive, while transitioning to Glacier Deep Archive too early would violate the 90-day access-time objective.
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