How would you answer an interview scenario involving well-architected design principles in Cloud Architecture?

For an interview scenario involving well-architected design principles, I would first clarify the business goal, scale, constraints, and the failure or quality attribute the interviewer wants to explore. Well-architected cloud design evaluates reliability, security, cost, performance, and operational excellence as explicit tradeoffs. In this scenario, a proposed design is highly available but extremely expensive and operationally complex. Explain how you would evaluate the tradeoff. For production, document requirements and tradeoffs, use architecture reviews, measure outcomes, and revisit decisions as scale or business constraints change. I would then explain the main alternatives and tradeoffs, identify likely failure modes, and describe how I would validate the solution through testing, observability, security controls, and recovery or rollback planning.