AWS Certified Solutions Architect - Associate
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A solutions architect needs to optimize storage costs. The solutions architect must identify any Amazon S3 buckets that are no longer being accessed or are rarely accessed. Which solution will accomplish this goal with the LEAST operational overhead?
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UAnonymous
A
Analyze bucket access patterns by using the S3 Storage Lens dashboard for advanced activity metrics.
B
Analyze bucket access patterns by using the S3 dashboard in the AWS Management Console.
C
Turn on the Amazon CloudWatch BucketSizeBytes metric for buckets. Analyze bucket access patterns by using the metrics data with Amazon Athena.
D
Turn on AWS CloudTrail for S3 object monitoring. Analyze bucket access patterns by using CloudTrail logs that are integrated with Amazon CloudWatch Logs.
Explanation:
Explanation
Correct Answer: A
Why Option A is correct:
- S3 Storage Lens is specifically designed for storage optimization and provides advanced activity metrics with minimal operational overhead.
- It offers organization-wide visibility into storage usage and activity patterns through a centralized dashboard.
- The dashboard automatically provides insights into access patterns, including identifying buckets with little or no access.
- It requires minimal setup and maintenance compared to other options.
Why Option B is incorrect:
- The S3 dashboard in the AWS Management Console provides basic metrics but lacks the advanced analytics and organization-wide visibility of S3 Storage Lens.
- It requires manual analysis and doesn't provide the comprehensive insights needed to identify rarely accessed buckets across an entire organization.
Why Option C is incorrect:
- This approach involves significant operational overhead:
- Need to enable CloudWatch metrics for each bucket
- Requires Athena setup and query writing
- Involves multiple AWS services and manual analysis
- CloudWatch BucketSizeBytes only shows storage size, not access patterns.
Why Option D is incorrect:
- This is the most complex solution with the highest operational overhead:
- Requires enabling CloudTrail for S3 object monitoring
- Involves CloudTrail log management and storage costs
- Requires CloudWatch Logs integration
- Needs custom log analysis and querying
- While it provides detailed access data, it's not the solution with "LEAST operational overhead."
Key Takeaway: S3 Storage Lens is specifically designed for storage optimization use cases like this, providing automated insights with minimal setup and ongoing management. It's the AWS-recommended solution for gaining visibility into storage usage and access patterns across your entire S3 estate.
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