Which are pillars of the AWS Well-Architected Framework? (Select TWO.)
Multiple response — select two or more answers
Answer choices
Architectural breakdown & explanation
Six pillars: Operational Excellence, Security, Reliability, Performance Efficiency, Cost Optimization, Sustainability.
Correct answer(s): a. Reliability, c. Cost Optimization, e. Security
Exam domain: Domain 1: Cloud Concepts (24% weight on the official guide).
Official documentation & study links
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