AWS Certified Solutions Architect Professional SAP-C02 Practice Question
Your company stores 400 TB of application log files in an Amazon S3 bucket. The logs are queried heavily during the first 30 days after their creation. Beyond that point, they are accessed only occasionally-usually a few times per quarter-for compliance audits. Each object must remain retrievable in less than 3 seconds for the entire 7-year retention period. The company wants to minimize ongoing storage cost and avoid adding operational complexity. Which solution meets these requirements?
Add an S3 Lifecycle rule that transitions objects to S3 Standard-IA after 30 days and then to S3 Glacier Flexible Retrieval after 90 days, using expedited retrievals for audit access.
Create an S3 Lifecycle rule that transitions objects to the S3 Glacier Instant Retrieval storage class after 30 days and retains them there for 7 years.
Enable the S3 Intelligent-Tiering storage class with the Archive Instant Access tier activated for the bucket.
Use Amazon S3 Batch Operations to copy the objects to S3 Glacier Deep Archive after 30 days and delete the original objects.
Transitioning the objects to the S3 Glacier Instant Retrieval storage class after 30 days moves them to the lowest-cost tier that still provides millisecond access. A single lifecycle rule accomplishes the transition with no manual effort, and objects stay in that class for the rest of the retention period. Glacier Flexible Retrieval and Deep Archive cannot meet the 3-second recovery objective. Standard-IA and the Infrequent-Access or Archive Instant tiers of Intelligent-Tiering meet the latency goal, but they incur higher long-term storage costs and, in the case of Intelligent-Tiering, add per-object monitoring fees. Therefore the lifecycle transition to Glacier Instant Retrieval is the most cost-efficient solution that satisfies the business and performance requirements.
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What is an S3 Lifecycle rule?
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AWS Certified Solutions Architect Professional SAP-C02
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