AWS Certified Cloud Practitioner — Question 77

Which pillar of the AWS Well-Architected Framework refers to the ability of a system to recover from infrastructure or service disruptions and dynamically acquire computing resources to meet demand?

Answer options

• A. Security
• B. Reliability
• C. Performance efficiency
• D. Cost optimization

Correct answer: B

Explanation

The correct answer is B, Reliability, as it specifically addresses a system's ability to recover from failures and adapt to varying demands. The other options, such as Security, Performance efficiency, and Cost optimization, focus on different aspects of architecture and do not directly relate to recovery and resource management.