AZ-220 January 2025 20 min read

Azure AZ-220 IoT Developer Specialty Guide 2026

Master Azure IoT Hub, IoT Edge, and device management. Complete guide for the Microsoft Azure IoT Developer certification exam.

Azure AZ-220 IoT Developer Specialty Guide 2026 - study guide and exam preparation tips

What is AZ-220?

The AZ-220: Microsoft Azure IoT Developer certification validates your ability to implement IoT solutions using Azure IoT services. This specialty certification covers device provisioning, IoT Edge deployments, data processing, and solution monitoring.

Quick Facts

  • Exam Code: AZ-220
  • Duration: 120 minutes
  • Questions: 40-60 questions
  • Passing Score: 700/1000
  • Cost: $165 USD
  • Prerequisites: Development experience with Azure

Exam Domains & Weightings

15-20%Set up the IoT solution infrastructure
20-25%Provision and manage devices
20-25%Implement IoT Edge
15-20%Implement business integration
15-20%Process and manage data
10-15%Monitor, troubleshoot, and optimize

Key Topics to Master

1. IoT Hub & Device Provisioning

  • IoT Hub creation and configuration
  • Device Provisioning Service (DPS)
  • Device twins and direct methods
  • Message routing and enrichments

2. IoT Edge

  • Edge runtime installation and configuration
  • Custom module development
  • Deployment manifests
  • Offline capabilities

3. Data Processing

  • Stream Analytics integration
  • Azure Functions for IoT
  • Time Series Insights
  • Event Grid and Event Hubs

4. Security & Monitoring

  • X.509 certificates and TPM
  • Azure Security Center for IoT
  • Diagnostic logs and metrics
  • Azure Monitor integration

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