AWS Certified Solutions Architect Professional SAP-C02 Practice Question
Your organization uses AWS Organizations with a management account and dozens of member accounts. After an internal audit, the Cloud Center of Excellence wants weekly visibility into over-provisioned Amazon EBS gp2 and gp3 volumes so that storage can be resized or migrated. The team must receive a single comma-separated values (CSV) file every Sunday that contains rightsizing recommendations for all accounts and places the file in an existing S3 bucket in the management account. The solution should introduce the least possible ongoing operational overhead. Which approach meets these requirements?
Enable Cost Explorer rightsizing recommendations in the management account, schedule a weekly export of the Cost and Usage Report to the S3 bucket, and filter the report for underutilized EBS volumes.
Opt in all accounts to AWS Compute Optimizer from the management account, then create an Amazon EventBridge cron rule that triggers an AWS Lambda function to call the ExportEBSVolumeRecommendations API with IncludeMemberAccounts=true and an S3 destination each week.
Use the AWS Support API to run the Trusted Advisor Underutilized EBS Volumes check on a schedule and configure AWS Data Pipeline to copy the results to the S3 bucket each Sunday.
Activate Amazon S3 Storage Lens advanced metrics and recommendations at the organization level, export daily metrics to the central S3 bucket, and run Amazon Athena queries every week to detect oversized EBS volumes.
AWS Compute Optimizer natively generates rightsizing recommendations for EBS volumes and can include data from every member account when the management account has opted the organization in. The ExportEBSVolumeRecommendations API lets you write the recommendation set as a CSV file to an Amazon S3 bucket, and the includeMemberAccounts parameter ensures that resources in each account are covered. By attaching a cron-based Amazon EventBridge rule to invoke a small Lambda function that calls the export API once a week, the entire workflow is automated with minimal maintenance.
Cost Explorer's rightsizing feature analyzes only Amazon EC2 instances, so it cannot generate EBS recommendations. Amazon S3 Storage Lens focuses on object-storage metrics and does not evaluate block-storage volumes. While AWS Trusted Advisor offers cost checks, it does not provide a built-in mechanism to export a unified CSV file to S3 on a schedule and would still require custom processing, resulting in more operational effort.
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What is AWS Compute Optimizer and how does it generate recommendations for EBS volumes?
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AWS Certified Solutions Architect Professional SAP-C02
Design Solutions for Organizational Complexity
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