AZ-220 Exam Study Guide (Azure IoT Developer) – Specialty
You can access AZ-220 Exam Microsoft official page here
Preparing for the AZ-220 Microsoft Azure IoT Developer exam? Don’t know where to start? This post is the AZ-220 Certificate Study Guide (with links to each exam objective).
I have curated a list of articles from Microsoft documentation for each objective of the AZ-220 exam. Please share the post within your circles so it helps them to prepare for the exam.
Skills Measured
- Implement the IoT Solution Infrastructure (15-20%)
- Provision and Manage Devices (20-25%)
- Implement Edge (15-20%)
- Process and Manage Data (15-20%)
- Monitor, Troubleshoot, and Optimize IoT Solutions (15-20%)
- Implement Security (15-20%)
AZ-220 Exam Free Study Guide
For each test objective, I’ve compiled a thorough collection of articles from Microsoft documentation. Please feel free to forward this page to your friends and coworkers in order to assist them in preparing for the test .
Implement the IoT Solution Infrastructure (15-20%)
Create and Configure an IoT Hub
- Create an IoT Hub
- Create an IoT hub using the Azure portal
- Register a device
- Register a new device in the IoT hub
- Configure a device twin
- Get started with device twins (.NET)
- Configure IoT Hub tier and scaling
- Choose the right IoT Hub tier for your solution
Build Device Messaging and Communication
- Build messaging solutions by using SDKs (device and service)
- Understand and use Azure IoT Hub SDKs
- Implement device-to-cloud communication
- IoT Hub message routing to send device-to-cloud messages
- Implement cloud-to-device communication
- Send messages from the cloud to your device with IoT Hub (.NET)
- Configure file upload for devices
- Upload files from your device to the cloud with IoT Hub (.NET)
Configure Physical IoT Devices
- Recommend an appropriate protocol based on device specifications
- Reference – choose a communication protocol
- Configure device networking, topology, and connectivity
- IoT Hub support for VNet with Private Link & Managed Identity
Provision and Manage Devices (20-25%)
Implement the Device Provisioning Service (DPS)
- Create a Device Provisioning Service
- Set up the IoT Hub Device Provisioning Service with Azure
- Create a new enrollment in DPS
- Enroll TPM device to IoT Hub Device Provisioning Service
- Manage allocation policies by using Azure Functions
- How to use custom allocation policies?
- Link an IoT Hub to the DPS
- az iot dps linked-hub
Manage the Device Lifecycle
- Provision a device by using DPS
- Azure IoT Hub Device Provisioning Service
- Deprovision an autoenrollment
- Deprovisioning devices that were previously auto-provisioned
- Decommission (disenroll) a device
- Disenrolling a device from Azure IoT Hub Device Provisioning Service
Manage IoT Devices by Using IoT Hub
- Manage devices list in the IoT Hub device registry
- Understand the identity registry in your IoT hub
- Modify device twin tags and properties
- Understand and use device twins in IoT Hub
- Trigger action on a set of devices by using IoT Hub Jobs and Direct Methods
- Schedule jobs on multiple devices
- Understand and invoke direct methods from IoT Hub
- Set up Automatic Device Management of IoT devices at scale
- Automatic IoT device & module management using the Azure portal
Build a Solution by Using IoT Central
- Define a device type in Azure IoT Central
- Define a new IoT device type in your Azure IoT Central application
- Configure rules and actions in Azure IoT Central
- Configure rules & actions for your device in Azure IoT Central
- Define the operator view
- Customize the operator dashboard & manage devices in Azure IoT Central
- Add and manage devices from IoT Central
- Manage devices in your Azure IoT Central application
- Monitor devices
- Use Azure IoT Central to monitor your devices
- Custom and industry-focused application templates
- What are application templates?
- Custom templates
- Industry-focused templates
- Monitor application health using metrics
- Monitor the health of the devices connected to an IoT Central application
Implement Edge (15-20%)
Set up and Deploy an IoT Edge Device
- Create a device identity in IoT Hub
- AZ IoT Hub create device identity
- Deploy a single IoT device to IoT Edge
- Deploy your first IoT Edge module to a Windows device
- Create a deployment for IoT Edge devices
- Deploy IoT Edge modules at scale using the Azure portal
- Install container runtime on IoT devices
- Install or uninstall Azure IoT Edge for Linux
- Define and implement deployment manifest
- Learn how to deploy modules and establish routes in IoT Edge
- Update security daemon and runtime
- Update the IoT Edge security daemon and runtime
Develop Modules
- Create and configure an Edge module
- Develop your own IoT Edge modules
- Deploy a module to an Edge device
- Deploy Azure IoT Edge modules from the Azure portal
- Publish an IoT Edge module to an Azure Container Registry
- Use the Windows ML container Insider Preview with Azure IoT Edge Runtime
Configure an IoT Edge Device
- Select and deploy an appropriate gateway pattern
- How an IoT Edge device can be used as a gateway
- Implement Industrial IoT solutions with modules like Modbus and OPC
- Connect Modbus TCP devices through an IoT Edge device gateway
- Azure IoT Edge Modbus Module
- What is OPC Publisher?
- A step-by-step guide to installing OPC Publisher on Azure IoT Edge
- Implement module-to-module communication
- Module communication
- Implement and configure offline support
- Offline capabilities for IoT Edge devices, modules, and child devices
Process and Manage Data (15-20%)
Configure Routing in Azure IoT Hub
- Implement message enrichment in IoT Hub
- Use Azure IoT Hub message enrichments
- Configure routing of IoT Device messages to endpoints
- Use the Azure CLI & Azure portal to configure IoT Hub message routing
- Define and test routing queries
- IoT Hub message routing query syntax
- Integrate with Event Grid
- React to IoT Hub events by using Event Grid to trigger actions
- YouTube video: Azure IoT Hub integration with Azure Event Grid
Configure Stream Processing
- Create ASA for data and stream processing of IoT data
- Process real-time IoT data streams with Azure Stream Analytics
- Process and filter IoT data by using Azure Functions
- Processing data from IoT Hub with Azure Functions
- Configure Stream Analytics outputs
- Azure Stream Analytics on IoT Edge
Configure an IoT Solution for Time Series Insights (TSI)
- Implement solutions to handle telemetry and time-stamped data
- Time series solutions
- Create an Azure Time Series Insights (TSI) environment
- Create an Azure Time Series Insights Gen1 environment
- Connect the IoT Hub and the Time Series Insights (TSI)
- Add IoT hub event source to Azure Time Series Insight environment
Monitor, Troubleshoot, and Optimize IoT Solutions (15-20%)
Configure Health Monitoring
- Configure metrics in IoT Hub
- Set up metrics
- Set up diagnostics logs for Azure IoT Hub
- Set up and use metrics and logs with an IoT hub
- Query and visualize tracing by using Azure monitor
- Query and visualize
- Use Azure Policy definitions for IoT Hub
- Azure Policy built-in definitions for Azure IoT Hub
Troubleshoot Device Communication
- Establish maintenance communication
- Use a simulated device to test connectivity with your IoT hub
- Verify device telemetry is received by IoT Hub
- Send telemetry from a device to an IoT hub & read it
- Validate device twin properties, tags, and direct methods
- Understand and use device twins in IoT Hub
- Understand and invoke direct methods from IoT Hub
- Troubleshoot device disconnects and connects
- Monitor, diagnose & troubleshoot disconnects with Azure IoT Hub
Perform End-to-end Solution Testing and Diagnostics
- Estimate the capacity required for each service in the solution
- Choose the right IoT Hub tier for your solution
- Conduct performance and stress testing
- Azure IoT Hub StressTest
- Set up device D2C message tracing by using Azure Distributed Tracing
- Trace Azure IoT device-to-cloud messages with distributed tracing
Implement Security (15-20%)
Implement Device Authentication in the IoT Hub
- Choose an appropriate form of authentication
- IoT device authentication options
- Manage the X.509 certificates for a device
- Device Authentication using X.509 CA Certificates
- Manage the symmetric keys for a device
- Provision a device with symmetric keys
Implement Device Security by Using DPS
- Configure different attestation mechanisms with DPS
- Provision multiple X.509 devices using enrollment groups
- Generate and manage x.509 certificates for IoT Devices
- Device Authentication using X.509 CA Certificates
- Configure enrollment with x.509 certificates
- Enroll X.509 devices to the Device Provisioning Service using C#
- Generate a TPM endorsements key for a device
- Device provisioning: Identity attestation with TPM
- Configure enrollment with symmetric keys
- How to provision devices using symmetric key enrollment groups?
Implement Azure Security Center (ASC) for IoT
- Enable ASC for IoT in Azure IoT Hub
- Onboard Defender for IoT to an agent-based solution
- Create security modules
- Create an azureiotsecurity module twin
- Configure custom alerts
- Create custom alerts
That’s it! This completes the AZ-220 Microsoft Azure IoT Developer Certification Study Guide!
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