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AWS Certified Developer – Associate DVA-C02 · Domain 4: Troubleshooting and Optimization

Root cause analysis with CloudWatch Logs, Logs Insights queries, metrics and dashboards

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Last reviewed September 25, 2026 · Leer en español

When something breaks in production, you need to go from a symptom ('checkout is slow') to a cause ('the payment function times out calling a third-party API'). Amazon CloudWatch provides the raw material: logs, metrics and dashboards. Domain 4 of the exam presents symptoms and asks where to look.

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