DVA-C02 Domain 4: Troubleshooting and Optimization

A company needs to enable API Gateway caching for read-heavy APIs. Which option meets the requirement with the LEAST implementation effort? enable API Gateway caching for read-heavy APIs.

Multiple choice — select one answer

Answer choices

  1. a. Cache POST by default unsafely
  2. b. AWS X-Ray
  3. c. CloudWatch Logs Insights
  4. d. API Gateway stage caching

Architectural breakdown & explanation

Caching reduces backend load for idempotent reads.

Correct answer(s): d. API Gateway stage caching

Exam domain: Domain 4: Troubleshooting and Optimization (18% weight on the official guide).

Official documentation & study links

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