Design High-Performing Architectures Practice Question

Question

For a containerized service, an architect is reviewing DynamoDB partition keys requirement set 12. 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. Choose high-cardinality keys that distribute traffic evenly.

Correct Answer

D. Choose high-cardinality keys that distribute traffic evenly.

Explanation

The best answer applies DynamoDB partition keys: choose high-cardinality keys that distribute traffic evenly. The other options increase operational risk, weaken security, or remove observability that an AWS Solutions Architect should preserve.

Question details

• Difficulty: hard
• Domain: Design High-Performing Architectures
• Objective: DynamoDB partition keys

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