DBS-C01 Domain 4: Monitoring and Troubleshooting

Which service should you use to alarms on replica lag?

Multiple choice — select one answer

Answer choices

  1. a. Database Activity Streams
  2. b. Database Insights and Performance Insights
  3. c. Amazon CloudWatch metrics for RDS
  4. d. Disable replicas (not recommended for production workloads)

Architectural breakdown & explanation

CloudWatch metrics trigger remediation.

Correct answer(s): c. Amazon CloudWatch metrics for RDS

Exam domain: Domain 4: Monitoring and Troubleshooting (21% weight on the official guide).

Official documentation & study links

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