AWS Certified Cloud Practitioner — Question 194

Which pillar of the AWS Well-Architected Framework is focused on the ability of a workload to perform its intended function correctly and consistently at the expected time?

Answer options

• A. Performance efficiency
• B. Operational excellence
• C. Reliability
• D. Security

Correct answer: C

Explanation

The correct answer is C, Reliability, because this pillar ensures that a system can recover from failures and meets customer demands consistently. Options A, B, and D focus on different aspects: Performance efficiency deals with optimizing resources, Operational excellence emphasizes operations management, and Security is about protecting data and applications.