AWS Certified Cloud Practitioner (CLF-C02) — Question 209

Which actions are examples of a company’s effort to rightsize its AWS resources to control cloud costs? (Choose two.)

Answer options

• A. Switch from Amazon RDS to Amazon DynamoDB to accommodate NoSQL datasets.
• B. Base the selection of Amazon EC2 instance types on past utilization patterns.
• C. Use Amazon S3 Lifecycle policies to move objects that users access infrequently to lower-cost storage tiers.
• D. Use Multi-AZ deployments for Amazon RDS.
• E. Replace existing Amazon EC2 instances with AWS Elastic Beanstalk.

Correct answer: B, C

Explanation

Options B and C are correct as they directly focus on optimizing resource usage and reducing costs. B leverages historical utilization to select the most appropriate EC2 instance types, while C uses S3 Lifecycle policies to minimize costs by moving infrequently accessed data to cheaper storage. Options A, D, and E do not specifically address cost control strategies or right-sizing resources.