AWS Certified Solutions Architect Professional SAP-C02 Practice Question
A company operates thousands of AWS resources across ten AWS Organizations member accounts. Finance wants a monthly spreadsheet that lists every Amazon EC2 instance whose peak CPU utilization stayed below 5 % for the past 14 days, every Amazon EBS volume that registered no I/O for the last 30 days, and any Amazon RDS DB instance that has had zero client connections for at least seven days. The spreadsheet must also show the estimated monthly savings for each resource and must be delivered as CSV files in an Amazon S3 bucket without building custom data-processing pipelines. Which AWS solution will satisfy these requirements with the LEAST operational effort?
Configure AWS Cost Explorer rightsizing recommendations and schedule a monthly CSV export to Amazon S3.
Enable AWS Compute Optimizer idle and rightsizing recommendations for the organization and export the recommendations to Amazon S3 each month.
Query the AWS Cost and Usage Report with Amazon Athena and schedule the query through AWS Glue to store the results in Amazon S3.
Create AWS CloudWatch metrics dashboards and use an AWS Glue ETL job to write the metrics to Amazon S3 as CSV files.
AWS Compute Optimizer already analyzes CloudWatch metrics for EC2 instances, EBS volumes, and RDS DB instances across an entire organization, classifies them as idle or under-utilized, calculates potential monthly savings, and refreshes the analysis daily. Compute Optimizer lets an administrator export its rightsizing and idle-resource recommendations to Amazon S3 in CSV format on demand or on a schedule, so the FinOps team can ingest the file with no additional code.
Cost Explorer's rightsizing feature is limited to EC2 instances and cannot surface idle EBS or RDS resources. Building a CloudWatch-based ETL flow or writing Athena queries against the Cost and Usage Report would meet the functional goal but requires custom development and ongoing maintenance, so they do not provide the least operational effort.
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