Design Resilient Architectures Practice Question

Question

For an ecommerce platform, an architect is reviewing Auto Scaling policies requirement set 19. Which design choice best fits the requirement while following AWS architectural best practices?

Answer choices

1. A. Place all components on a single large instance to simplify troubleshooting.
2. B. Use long-lived access keys in application configuration so services can call AWS APIs directly.
3. C. Disable monitoring until the workload reaches steady production traffic.
4. D. Scale capacity based on utilization or queue depth.

Correct Answer

D. Scale capacity based on utilization or queue depth.

Explanation

The best answer applies Auto Scaling policies: scale capacity based on utilization or queue depth. The other options increase operational risk, weaken security, or remove observability that an AWS Solutions Architect should preserve.

Question details

• Difficulty: hard
• Domain: Design Resilient Architectures
• Objective: Auto Scaling policies

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