DOP-C02 Domain 6: Reliability and Resilience

Operations reports a need to use SQS visibility timeout correctly. What is the MOST operationally efficient solution?

Multiple choice — select one answer

Answer choices

  1. a. Scheduled DR drills with CloudFormation
  2. b. Separate clusters/accounts per cell
  3. c. Multi-Region active-passive or active-active
  4. d. Adjust visibility to processing time

Architectural breakdown & explanation

Visibility timeout prevents duplicate work.

Correct answer(s): d. Adjust visibility to processing time

Exam domain: Domain 6: Reliability and Resilience (14% weight on the official guide).

Official documentation & study links

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