Microsoft : AZ-220 Questions & Answers
Last Updated: Sep 08, 2026
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The benefit of obtaining the AZ-220:Microsoft Azure IoT Developer Exam Certification
- AZ-220 certified candidates will be confident and stand different from others as their skills are more trained than non-certified professionals.
- AZ-220 Exam provide proven knowledge to use the tools to complete the task efficiently and cost effectively than the other non-certified professionals lack in doing so.
- AZ-220 Certifications provide opportunities to get a job easily in which they are interested in instead of wasting years and ending without getting any experience.
- AZ-220 certification has more useful and relevant networks that help them in setting career goals for themselves. AZ-220 networks provide them with the correct career guidance than non certified generally are unable to get.
- AZ-220 credential delivers higher earning potential and increased promotion opportunities because it shows a good understanding of Azure IoT .
- This certification will be judging your skills and knowledge on your understanding Microsoft Azure IoT developer concepts & Understanding of how to operate on Microsoft Azure IoT Developer .
- AZ-220 Certification provides practical experience to candidates from all the aspects to be a proficient worker in the organization.
- This certification credential will give you edge over other counterparts. Apart from knowledge from AZ-220:Microsoft Azure IoT Developer Exam.
- AZ-220 Certification is distinguished among competitors. AZ-220 certification can give them an edge at that time easily when candidates appear for employment interview, employers are very fascinated to note one thing that differentiates the individual from all other candidates.
How to Prepare For AZ-220:Microsoft Azure IoT Developer Exam
Preparation Guide for AZ-220:Microsoft Azure IoT Developer Exam
Introduction
Microsoft has created a track for Azure professionals who are knowledgeable in Azure IoT landscape to get certified this platform. This certification program provides Microsoft Azure IoT developer professionals a way to demonstrate their skills. The assessment is based on a rigorous exam using industry standard methodology to determine whether a candidate meets Microsoft's proficiency standards.
According to Microsoft, a Microsoft AZ-220 Certified Professional enables organizations to leverage Microsoft Azure IoT developer technologies with a thorough implementation and the coding required to create and maintain the cloud and edge portion of an IoT solution. An IoT Developer is responsible for maintaining the devices throughout the life cycle.
Certification is evidence of your skills, expertise in those areas in which you like to work. There are many vendors in the market that are providing these certifications. If candidate wants to work on Microsoft Azure IoT developer and prove his knowledge, certification offered by Microsoft. This AZ-220 Exam Certification helps a candidate to validates his skills in Microsoft Azure IoT.
In this guide, we will cover the AZ-220:Microsoft Azure IoT Developer Certification exam, AZ-220:Microsoft Azure IoT Developer Certified professional salary and all aspects of the AZ-220:Microsoft Azure IoT Developer Certification.
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Microsoft AZ-220 Exam Syllabus Topics:
| Topic | Details |
|---|---|
Set up the IoT Solution Infrastructure (10-15%) | |
| Create and configure an Azure IoT Hub | -create an IoT Hub -register a device -configure a device twin -configure IoT Hub tier and scaling |
| Build device messaging and communication | - 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 | -recommend an appropriate protocol based on device specifications -configure device networking, topology, and connectivity |
Provision and Manage Devices (15-20%) | |
| Set Up Device Provisioning Service (DPS) | -create a Device Provisioning Service -create a new enrollment in DPS -link an IoT Hub to the DPS |
| Manage the device lifecycle | -provision a device by using DPS -deprovision an autoenrollment -decommission (disenroll) a device |
| Manage IoT devices by using IoT Hub | -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 | - 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 |
Implement IoT Edge (15-20%) | |
| Set up an IoT Edge device | -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 | - 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 | - 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 | - 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) |
Implement Business Integration (5-10%) | |
| Integrate with upstream and downstream systems | - 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 | -create ADT models and digital twins -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 |
Process and manage data (15-20%) | |
| Configure message routing in Azure IoT Hub | -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 | -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 | - 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) | - 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 |
Monitor, troubleshoot, and optimize IoT solutions (15-20%) | |
| Configure health monitoring | -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 | -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 | - 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 (10-15%) | |
| Implement security for IoT devices and services | - implement device and gateway security - ensure secure connections |
| Implement Azure Defender for IoT | -configure an Azure Defender for IoT agent-based solution - implement Defender-IoT-micro-agents (security agents) -configure built-in and custom alerts for IoT Hub |
Explaining Associated Certification
Making efforts towards AZ-220 exam leads to earning the Microsoft Certified: Azure IoT Developer Specialty certification. It is an upper-level designation designed to impart in candidates best-in-class expertise in cloud development and edge components of an Azure IoT solution. The earners of this high-skilled certificate are also known to have unmatched expertise in device life cycle set-up, the configuration of cloud services, debugging the IoT issues, and the transformation of IoT-related data pipelines.
Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/az-220
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