You have an Azure loT hub that receives series data from machinery.

Azure Metrics Advisor builds on Anomaly Detector but adds root cause analysis , correlation across multiple signals, incident detection, and alerting out-of-the-box.

D. Anomaly Detector → Works for single-signal anomaly detection but lacks correlation and root cause analysis.

C. Azure Machine Learning → Would work but requires custom model development (more dev effort).

B. Form Recognizer → Used for document processing, not sensor telemetry.

Correct Answer: A