AWS Certified Solutions Architect Associate SAA-C03 Practice Question
An organization stores a large volume of data on Amazon S3. The data is frequently accessed for the first 30 days but is rarely accessed afterward. However, when the data is needed, it must be available without delay. The organization is required to retain the data for 1 year before deleting it. They aim to minimize storage costs while meeting these requirements. Which solution will meet these requirements MOST cost-effectively?
Use an S3 Lifecycle policy to transition objects to S3 Glacier Deep Archive after 30 days and delete them after 1 year.
Use S3 Intelligent-Tiering for the objects, enabling automatic tiering, and delete them after 1 year.
Use an S3 Lifecycle policy to transition objects to S3 Standard-Infrequent Access after 30 days and delete them after 1 year.
Keep the objects in the S3 Standard storage class for 1 year and delete them afterward.
Transitioning objects to S3 Standard-Infrequent Access (Standard-IA) after 30 days is the most cost-effective solution that meets the requirements. Standard-IA is designed for data that is accessed less frequently but still needs to be quickly retrievable when requested. It offers lower storage costs compared to S3 Standard while providing the same performance in terms of latency and throughput. By using an S3 Lifecycle policy, the organization can automate the transition of objects to Standard-IA after 30 days and set them to be deleted after 1 year, aligning with their data retention policy. Transitioning objects to S3 Glacier Deep Archive would not meet the requirement for rapid access, as retrieval from Glacier Deep Archive can take hours. Using S3 Intelligent-Tiering incurs additional monitoring fees and is more suitable when access patterns are unknown or unpredictable, whereas in this case, the access patterns are known. Keeping the data in S3 Standard for the entire year does not optimize costs, as Standard-IA offers lower storage rates for infrequently accessed data while still providing immediate access.
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What is S3 Standard-Infrequent Access (Standard-IA)?
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What are S3 Lifecycle policies?
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Why is S3 Glacier Deep Archive not suitable for this scenario?