An enterprise wants to monitor the logs of their millions of IoT devices in real-time. They want a solution that can automatically detect anomalies (e.g., a sudden spike in 'Error' messages) and trigger a Lambda function to investigate. Which combination is most architectural?

Direct Answer (Verified)Reviewed by Sunny (Senior Cloud Engineer)

Correct Answer: Amazon CloudWatch Logs with 'Metric Filters' and 'CloudWatch Alarms' triggering a Lambda

CloudWatch Metric Filters extract meaningful data from raw logs as they arrive, turning them into actionable metrics for real-time monitoring....

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Real Exam ScenarioAmazon CloudWatch

An enterprise wants to monitor the logs of their millions of IoT devices in real-time. They want a solution that can automatically detect anomalies (e.g., a sudden spike in 'Error' messages) and trigger a Lambda function to investigate. Which combination is most architectural?

✓ Correct Answer & ExplanationAmazon CloudWatch

Correct Answer

Amazon CloudWatch Logs with 'Metric Filters' and 'CloudWatch Alarms' triggering a Lambda

Why This Answer Is Correct

CloudWatch Metric Filters extract meaningful data from raw logs as they arrive, turning them into actionable metrics for real-time monitoring.

📚 What This Question Tests

This question evaluates your knowledge of Amazon CloudWatch — a core concept tested in AWS Certified Solutions Architect – Professional (SAP-C02). Understanding Amazon CloudWatch is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.