AZ-220: Microsoft Azure IoT Developer Practice Tests in 2024

AZ-220: Microsoft Azure IoT Developer certification is designed for professionals who are keen to validate their skills in developing and implementing Internet of Things (IoT) solutions on the Microsoft Azure platform. This certification is particularly relevant for developers who are responsible for creating and managing IoT applications and services, as it encompasses a comprehensive understanding of Azure IoT services, including Azure IoT Hub, Azure IoT Edge, and Azure Stream Analytics. Candidates will gain insights into the architecture of IoT solutions, enabling them to design and deploy scalable and secure applications that can effectively process and analyze data from connected devices.

AZ-220: Microsoft Azure IoT Developer Certification Practice Exam is an essential preparatory tool designed for individuals seeking to validate their skills and knowledge in developing Internet of Things (IoT) solutions on the Microsoft Azure platform. This practice exam encompasses a comprehensive range of topics that reflect the actual certification exam, ensuring that candidates are well-equipped to tackle the challenges presented in the official assessment. By simulating the exam environment, this resource allows users to familiarize themselves with the format and types of questions they will encounter, thereby enhancing their confidence and readiness.

AZ-220 certification covers a wide array of topics essential for IoT development, including device provisioning, data ingestion, and the integration of various Azure services to enhance the functionality of IoT solutions. Participants will learn how to implement security measures to protect data and devices, ensuring compliance with industry standards and best practices. Additionally, the certification emphasizes the importance of real-time data processing and analytics, equipping developers with the skills to utilize Azure services such as Azure Functions and Azure Logic Apps to automate workflows and respond to events in real time.

This practice exam covers critical areas such as device management, data processing, and security, which are pivotal for any IoT developer working within the Azure ecosystem. Participants will engage with questions that assess their understanding of Azure IoT Hub, Azure Stream Analytics, and Azure Functions, among other key components. Additionally, the exam includes scenario-based questions that require candidates to apply their theoretical knowledge to practical situations, thereby reinforcing their problem-solving skills and technical acumen. This multifaceted approach not only aids in knowledge retention but also prepares candidates for real-world applications of their skills.

Furthermore, the AZ-220 practice exam is designed to provide immediate feedback on performance, allowing users to identify their strengths and areas for improvement. Detailed explanations accompany each question, offering insights into the correct answers and the underlying concepts. This feature is particularly beneficial for learners who may struggle with specific topics, as it encourages a deeper understanding of the material. By utilizing this practice exam, candidates can strategically focus their study efforts, ultimately increasing their chances of success in obtaining the Microsoft Azure IoT Developer Certification and advancing their careers in the rapidly evolving field of IoT technology.

Microsoft Azure IoT DeveloperExam Summary:

• Exam Name : Microsoft Certified – Azure IoT Developer Specialty

• Exam code: AZ-220

• Exam voucher cost: $165 USD

• Exam languages: English, Japanese, Korean, and Simplified Chinese

• Exam format: Multiple-choice, multiple-answer

• Number of questions: 40-60 (estimate)

• Length of exam: 120 minutes

• Passing grade: Score is from 700-1000.

Microsoft Azure IoT Developer Exam Syllabus Topics:

Implement the IoT Solution Infrastructure (15-20%)

Create and configure an 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

Configure physical IoT devices

• recommend an appropriate protocol based on device specifications

• configure device networking, topology, and connectivity

Provision and manage devices (20-25%)

Implement the Device Provisioning Service (DPS)

• create a Device Provisioning Service

• create a new enrollment in DPS

• manage allocation policies by using Azure Functions

• 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

• trigger an action on a set of devices by using IoT Hub Jobs and Direct Methods

• set up Automatic Device Management of IoT devices at scale

Build a solution by using IoT Central

• define a device type in Azure IoT Central

• configure rules and actions in Azure IoT Central

• define the operator view

• add and manage devices from IoT Central

• monitor devices

• custom and industry-focused application templates

• monitor application health using metrics

Implement Edge (15-20%)

Set up and deploy an IoT Edge device

• create a device identity in IoT Hub

• deploy a single IoT device to IoT Edge

• create a deployment for IoT Edge devices

• install container runtime on IoT devices

• define and implement deployment manifest

• update security daemon and runtime

• provision IoT Edge devices with DPS

• IoT Edge automatic deployments

• deploy on constrained devices

• secure IoT Edge solutions

• deploy production certificates

Develop modules

• create and configure an Edge module

• deploy a module to an Edge device

• publish an IoT Edge module to an Azure Container Registry

Configure an IoT Edge device

• select and deploy an appropriate gateway pattern

• implement Industrial IoT solutions with modules like Modbus and OPC

• implement module-to-module communication

• implement and configure offline support (including local storage)

Process and manage data (15-20%)

Configure routing in Azure IoT Hub

• implement message enrichment in IoT Hub

• configure routing of IoT Device messages to endpoints

• define and test routing queries

• integrate with Event Grid

Configure stream processing

• create ASA for data and stream processing of IoT data

• process and filter IoT data by using Azure Functions

• configure Stream Analytics outputs

Configure an IoT solution for Time Series Insights (TSI)

• implement solutions to handle telemetry and time-stamped data

• create an Azure Time Series Insights (TSI) environment

• connect the IoT Hub and the Time Series Insights (TSI)

Monitor, troubleshoot, and optimize IoT solutions (15-20%)

Configure health monitoring

• configure metrics in IoT Hub

• set up diagnostics logs for Azure IoT Hub

• query and visualize tracing by using Azure Monitor

• use Azure Policy definitions for IoT Hub

Troubleshoot device communication

• establish maintenance communication

• verify device telemetry is received by IoT Hub

• validate device twin properties, tags and direct methods

• troubleshoot device disconnects and connects

Perform end-to-end solution testing and diagnostics

• estimate the capacity required for each service in the solution

• conduct performance and stress testing

Implement security (15-20%)

Implement device authentication in the IoT Hub

• choose an appropriate form of authentication

• manage the X.509 certificates for a device

• manage the symmetric keys for a device

Implement device security by using DPS

• configure different attestation mechanisms with DPS

• generate and manage x.509 certificates for IoT Devices

• configure enrollment with x.509 certificates

• generate a TPM endorsements key for a device

• configure enrollment with symmetric keys

Implement Azure Security Center (ASC) for IoT

• enable ASC for IoT in Azure IoT Hub

• create security modules

• configure custom alerts

Achieving the AZ-220 certification not only demonstrates a developer’s proficiency in Azure IoT technologies but also enhances their career prospects in a rapidly evolving field. As organizations increasingly adopt IoT solutions to drive innovation and efficiency, the demand for skilled professionals who can navigate the complexities of IoT development is on the rise. This certification serves as a valuable credential, providing developers with a competitive edge in the job market and empowering them to contribute effectively to their organizations’ digital transformation initiatives. By mastering the skills outlined in the AZ-220 certification, developers can position themselves as key players in the future of IoT technology.

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