Design Cost-Optimized Architectures Practice Question

Question

For a university portal, an architect is reviewing capacity planning requirement set 3. 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. Right-size resources using observed metrics and workload seasonality.

Correct Answer

D. Right-size resources using observed metrics and workload seasonality.

Explanation

The best answer applies capacity planning: right-size resources using observed metrics and workload seasonality. The other options increase operational risk, weaken security, or remove observability that an AWS Solutions Architect should preserve.

Question details

• Difficulty: hard
• Domain: Design Cost-Optimized Architectures
• Objective: capacity planning

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