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DOP-C02 Domain 3: Resilient Cloud Solutions

While troubleshooting latency, engineers determine they must deploy ECS services across AZs. Which action is appropriate?

Multiple choice — select one answer

Answer choices

  1. a. ECS service scheduler spread
  2. b. AWS Resilience Hub
  3. c. API Gateway throttling and client retries with jitter
  4. d. Add a lifecycle hook to put new instances in Pending:Wait; run a registration script; complete the lifecycle action with CONTINUE or ABANDON.

Architectural breakdown & explanation

Spread placement increases availability.

Correct answer(s): a. ECS service scheduler spread

Exam domain: Domain 3: Resilient Cloud Solutions (15% weight on the official guide).

Official documentation & study links

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