Design Resilient Architectures Practice Question

Question

For a reporting pipeline, an architect is reviewing fault isolation requirement set 8. 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. Use cells, queues, and bulkheads to limit failure blast radius.
4. D. Disable monitoring until the workload reaches steady production traffic.

Correct Answer

C. Use cells, queues, and bulkheads to limit failure blast radius.

Explanation

The best answer applies fault isolation: use cells, queues, and bulkheads to limit failure blast radius. The other options increase operational risk, weaken security, or remove observability that an AWS Solutions Architect should preserve.

Question details

• Difficulty: medium
• Domain: Design Resilient Architectures
• Objective: fault isolation

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