| Exam Name | Microsoft Azure IoT Developer |
| Exam Code | AZ-220 |
| Actual Exam Duration | 120 minutes |
| Expected no. of Questions in Actual Exam | 60 |
| Exam Registration Price | $165 |
| Official Information | https://docs.microsoft.com/en-us/learn/certifications/exams/az-220 |
| See Expected Questions | Microsoft AZ-220 Expected Questions in Actual Exam |
| Take Self-Assessment | Use Microsoft AZ-220 Practice Test to Assess your preparation - Save Time and Reduce Chances of Failure |
| Section | Weight | Objectives |
|---|---|---|
| Create and configure an Azure IoT Hub | 15-20% | - create an IoT Hub - register a device - configure a device twin - configure IoT Hub tier and scaling |
| Build device messaging and communication | 15-20% | - build messaging solutions by using SDKs (device and service) - implement device-to-cloud communication - implement cloud-to-device communication - configure file upload for devices - optimize message size and scaling - connect to IoT Hub using TLS server certificates |
| Configure physical IoT devices | 15-20% | - recommend an appropriate protocol based on device specifications - configure device networking, topology, and connectivity |
| Set Up Device Provisioning Service (DPS) | 20-25% | - create a Device Provisioning Service - create a new enrollment in DPS - link an IoT Hub to the DPS |
| Manage the device lifecycle | 20-25% | - provision a device by using DPS - deprovision an autoenrollment - decommission (disenroll) a device |
| Manage IoT devices by using IoT Hub | 20-25% | - manage devices list in the IoT Hub device registry - modify device twin tags and properties - configure a set of devices by using IoT Hub Automatic Device Management - trigger an action on a set of devices by using IoT Hub Jobs and Direct Methods - implement a device firmware update process by using device management primitives - configure module identities |
| Manage IoT devices by using Azure IoT Central | 20-25% | - create a custom device template by using Azure IoT Central - configure rules and actions in Azure IoT Central - customize the operator view - add and manage devices from IoT Central - troubleshoot device connections and data mapping - create an application based on an app template for an industry vertical - export a custom application template - create and manage a new application based on a custom application template - upgrade and version a device template - run IoT Central jobs |
| Set up an IoT Edge device | 15-20% | - create a device identity in IoT Hub - set up an IoT device for IoT Edge - select and install container runtime on IoT devices - implement module access to the host system - update IoT Edge runtime - provision IoT Edge devices by using DPS |
| Deploy an IoT Edge device | 15-20% | - create and implement a deployment manifest - create a deployment for a single IoT Edge device - create a deployment to target multiple devices - create a continuous deployment by using Azure DevOps |
| Develop IoT Edge modules | 15-20% | - create and customize an Edge module - deploy a custom IoT Edge module to an Edge device - deploy an IoT Edge module from the Azure Marketplace to an Edge device - publish an IoT Edge module to an Azure Container Registry - define module configuration - configure IoT Edge module routing - configure environment for IoT Edge development; debug Edge modules in development environment |
| Configure an IoT Edge device | 15-20% | - select an appropriate gateway pattern - deploy an IoT gateway by using IoT Hub and IoT Edge - configure IoT Edge certificates - implement and configure offline support (including local storage) |
| Integrate with upstream and downstream systems | 5-10% | - set up input and output connections - set up IoT Hub routing for triggering workflows - test data interface integration - integrate third-party solutions - configure workflows, including rules and alerts |
| Develop Azure Digital Twins (ADT) solutions | 5-10% | - create a digital twin by using the DTDL - map IoT device data to ADT models and relationships - ingest IoT device messages and translate messages to ADT - configure routes and endpoints to trigger business logic and data processing - query the ADT graph - update properties on ADT entities in the graph - monitor and troubleshoot ADT |
| Configure message routing in Azure IoT Hub | 15-20% | - implement message enrichment in IoT Hub - implement routing of IoT device messages to endpoints - define and test routing queries - configure IoT Hub as an Event Grid source - reconfigure the default EventHub endpoint when there are multiple endpoints |
| Configure stream processing of IoT data | 15-20% | - create ASA for data and stream processing of IoT data - process and filter IoT data by using Azure Functions - write user-defined functions and aggregations in ASA - consume Azure Machine Learning functions in ASA - configure Stream Analytics outputs |
| Create ASA queries | 15-20% | - write an ASA query that runs in the IoT Edge - write an ASA query that runs in the cloud |
| Process real-time data by using Time Series Insights (TSI) | 15-20% | - create a TSI environment - connect the IoT Hub and the TSI environment - create a reference data set for a TSI environment by using the Azure portal - implement Time Series model hierarchies, types, and instance fields - consume data by using Time Series Expression syntax |
| Configure health monitoring | 15-20% | - configure metrics in IoT Hub - set up diagnostics logs for Azure IoT Hub - configure IoT Hub scaling (SKUunit) programmatically - query and visualize tracing by using Azure Monitor - apply Azure Policy definitions for IoT Hub - gather IoT Edge metrics - retrieve diagnostics from Azure IoT Edge |
| Troubleshoot device communication | 15-20% | - establish maintenance communication by using RDP or SSH - establish maintenance communication by using Device Streams - verify device telemetry is received by IoT Hub - validate device twin properties, tags and direct methods - troubleshoot device disconnects and connects - troubleshoot IoT Edge devices |
| Ensure performance and availability | 15-20% | - identify and resolve bottlenecks - calculate capacity requirements for each service - create a simulated fleet of devices for performance and stress testing - troubleshoot message loss - test manual failover |
| Implement security for IoT devices and services | 10-15% | - implement device and gateway security - ensure secure connections |
| Implement Azure Defender for IoT | 10-15% | - enable Azure Defender for IoT in Azure IoT Hub - create security modules - configure custom alerts - configure the interval at which messages are sent |
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TESTED 19 May 2024
