For cost and security, the team must health check and failover DNS. What is the recommended approach? health check and failover DNS.
Multiple choice — select one answer
Answer choices
Architectural breakdown & explanation
Route 53 routes away from unhealthy endpoints.
Correct answer(s): a. Route 53 health checks and failover routing
Exam domain: Domain 2: Reliability and Business Continuity (22% weight on the official guide).
Official documentation & study links
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