DOP-C02 Domain 3: Resilient Cloud Solutions

A company needs to regional failover for stateless tier. Which option meets the requirement with the LEAST implementation effort?

Multiple choice — select one answer

Answer choices

  1. a. AWS Fault Injection Simulator
  2. b. Route 53 failover + AMIs/Launch templates in DR Region
  3. c. SQS with Auto Scaling on queue depth
  4. d. Amazon RDS Multi-AZ

Architectural breakdown & explanation

Stateless tiers are easier to failover.

Correct answer(s): b. Route 53 failover + AMIs/Launch templates in DR Region

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

Official documentation & study links

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