Design Cost-Optimized Architectures Practice Question

Question

For a university portal, an architect is reviewing right-sizing requirement set 5. 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. Adjust instance and database capacity using observed utilization metrics.
3. C. Use long-lived access keys in application configuration so services can call AWS APIs directly.
4. D. Disable monitoring until the workload reaches steady production traffic.

Correct Answer

B. Adjust instance and database capacity using observed utilization metrics.

Explanation

The best answer applies right-sizing: adjust instance and database capacity using observed utilization metrics. The other options increase operational risk, weaken security, or remove observability that an AWS Solutions Architect should preserve.

Question details

• Difficulty: medium
• Domain: Design Cost-Optimized Architectures
• Objective: right-sizing

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