Which of the following is not one of the four areas of the Performance Efficiency pillar of the AWS Well—Architected Framework? (Select the best answer.) A. Tradeoffs

B. Selection

C. Traceability

D. Monitoring

• Answer

Which of the following is a principle when designing cloud-based systems? (Select the best answer.)

A. Build tightly-coupled components

B. Make infrequent, large batch changes

C. Assume everything will fail

D. Use as many services as possible

• Answer

Which of the following are pillars of the AWS Well-Architected Framework? (Choose three.)

A. Security

B. Persistence

C. Operational Excellence

D. Cost Optimization

• Answer