AWS Certified Cloud Practitioner — Question 319

Which guidelines are key AWS architectural design principles? (Choose two.)

Answer options

• A. Design for fixed resources.
• B. Build scalable architectures.
• C. Use tightly coupled components.
• D. Use managed services when possible.
• E. Design for human interaction.

Correct answer: B, D

Explanation

Designing for scalability ensures systems can handle varying loads automatically, while utilizing managed services shifts operational responsibility to AWS. Tightly coupled systems, fixed resources, and manual human intervention run contrary to AWS best practices of loose coupling, elasticity, and automation.