AWS Certified Cloud Practitioner (CLF-C02) — Question 392

A company has deployed a web application to Amazon EC2 instances. The EC2 instances have low usage.

Which AWS service or feature should the company use to rightsize the EC2 instances?

Answer options

• A. AWS Config
• B. AWS Cost Anomaly Detection
• C. AWS Budgets
• D. AWS Compute Optimizer

Correct answer: D

Explanation

AWS Compute Optimizer uses machine learning to analyze resource utilization metrics and recommend the optimal AWS resources, making it the ideal tool for rightsizing underutilized EC2 instances. AWS Config is designed for configuration tracking and compliance auditing, whereas AWS Budgets and AWS Cost Anomaly Detection are focused on budget management and identifying unusual spend patterns rather than performance-based resource optimization.