1. Introduction
2. What can you expect from this article?
3. Prerequisites
4. Key Benefits of AZ-220 certification
5. Exam Pattern
6. Percentage of questions for all Modules
7. Study Materials and References
8. Get certified now
Hello Readers! Hope you are doing well. We have another study guide today for candidates who are aiming to obtain the Azure IoT developer certification through the Microsoft Azure AZ-220 examination. Azure IoT is unique in that it is a flexible platform that can be used across multiple industries and simplifies the development process. These innovations can be used in a variety of amazing ways by certified Azure IoT developers.
What can you expect from this article?
To achieve this certification, you will need to have the right training and study material in order to pass the Microsoft Azure Certification exam IoT Developer – Specialty. Here is a comprehensive study guide for the AZ-220 certification exam. To support your learning, you can find the eligibility criteria and a summary of the key learning points in the modules.
IoT developers should have a solid understanding of Azure services in order to develop an IoT solution. This includes data storage options, data processing, and the Azure IoT PaaS as opposed to SaaS options. Candidates should be able recognize Azure IoT configuration settings during the coding portion of the IoT solution. IoT Developers must have basic programming skills in at minimum one Azure-supported language: C#, Node.jss, C, Python or Java.
The Key Benefits of AZ-220 certification:
Employers often hire Microsoft-certified candidates faster than those who are not.
You can create physical devices and maintain them throughout their lifecycle as an IoT developer.
Design IoT solutions including device topology, connectivity and security.
You can also deploy compute/containers to configure Edge device networking. This includes various edge gateway implementations.
To ensure successful business integration, you will also have the opportunity to work with data engineers as well as stakeholders.

Exam Pattern:
The table below summarizes additional information about the exam.

Percentage of all modules’ questions:
Implement the IoT Solution Infrastructure (15-20%)
This module will answer questions about creating an IoT hub, building device communication and messaging, and configuring physical IoT gadgets.
Provision and manage devices (20-25%)
This module will cover questions about implementing Device Provisioning Services, managing the device lifestyle, managing IoT Devices using IoT Hub, building solutions using IoT Central, and managing IoT Devices using IoT Hub.
Implement Edge (15-20%)
This module covers setting up and deploying IoT Edge device, creating device identity and updating security daemon runtime. It also discusses how to deploy production certificates, Azure Container Registry, deploy production certificates, create and configure modules such as Modbus and OPC, and implement and configure offline support.
Data Management (15-20%)
This module covered the following topics: Configuring Azure IoT Hub, creating ASA to process IoT data stream, configuring stream analytics outputs and stream analytics Edge module. Time Series Insights was also discussed.
Monitor, troubleshoot and optimize IoT solutions (15-20%)
This module covers topics such as querying and visualizing tracing, using Azure Policy definitions to IoT hub, troubleshooting device communication, and performing stress and performance testing.
Implement security (15-20%)
This module covers the following topics: Implementing device security using DPS; generate and manage x.509 IoT certificates for Devices; implement Azure Defender for IoT Azure IoT hub.
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