Question 10
Domain 3: Continuous Improvement for Existing SolutionsA solutions architect wants to measure and analyze the performance of an existing AWS workload to identify areas for improvement. Which AWS service is the most appropriate choice for this task?
Correct answer: A
Explanation
Use AWS monitoring services to collect and analyze workload performance data before making optimization decisions. CloudWatch is the core AWS service for measuring metrics and observing operational performance. — AWS Certified Solutions Architect - Professional Exam Guide: Monitoring tools and services used to measure and analyze performance, including CloudWatch.
Why each option is right or wrong
A. Amazon CloudWatch
The exam guide identifies monitoring tools and services used to measure and analyze performance, including CloudWatch. Because the goal in this scenario is to measure and analyze workload performance for improvement, Amazon CloudWatch is the directly supported AWS service.
B. AWS CloudFormation
CloudFormation provisions and manages infrastructure as code rather than measuring workload performance.
C. Amazon S3
Amazon S3 provides object storage, not a primary service for analyzing performance metrics.
D. AWS IAM
AWS IAM manages access and permissions rather than monitoring application or infrastructure performance.