DBS-C01 Domain 4: Monitoring and Troubleshooting

What is the MOST appropriate AWS solution to alarms on replica lag?

Multiple choice — select one answer

Answer choices

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

Architectural breakdown & explanation

CloudWatch metrics trigger remediation.

Correct answer(s): d. 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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