Microsoft AZ-220 Practice Test Questions, Microsoft AZ-220 Exam Dumps

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The AZ-220: Microsoft Azure IoT Developer exam measures the skills and competence of the applicants in setting up IoT solution infrastructures, managing & provisioning devices, managing & processing data, implementing security, troubleshooting, optimizing, and monitoring IoT solutions. The candidates who achieve the passing score will get the Microsoft Certified: Azure IoT Developer Specialty certificate.

The intended audience for this certification test is those Azure IoT developers who set up, carry out, and implement the coding tasks that are required for creating & maintaining the edge and Cloud portions of the IoT solution. In addition, they have proficiency in installing physical devices as well as troubleshooting, setting, and maintaining devices throughout their lifecycle. The exam does not have any prerequisites, but it is recommended that the applicants have good knowledge of Azure services and device types. They should also possess a comprehension of data storage options, data processing, data analysis, and artificial intelligence as well as other Platform-as-a-Service solutions. Besides that, these individuals need to have expertise in programming in at least one of the Azure IoT SDK-supported languages.

Exam Details

The Microsoft AZ-220 test has the time frame of 2 hours and contains from 40 to 60 questions of different types. The exam can be taken in English, Simplified Chinese, Korean, and Japanese. The specialists can choose to sit for the test as a proctored online exam or in person at one of the Pearson VUE testing centers across the globe. The registration fee is $165.

Microsoft AZ-220 requires that the individuals have knowledge of its domains. To ensure that the applicants are adequately prepared for the test, Microsoft offers extensive resources to help them with their preparation. The candidates can enroll for the official instructor-led training course, Microsoft Azure IoT Developer, and gain the abilities that are required for the exam. The students who take this course will be equipped with the skill set that is necessary for successful developing and administering the edge and Cloud portions of Azure IoT solutions. This training covers core Azure IoT solutions and services, including Device Provisioning Services, Time Series Insights, IoT Hub, and Azure Stream Analytics, among others. It also focuses on Azure PaaS services, IoT Edge, security concerns, Azure IoT Central, Azure Digital Twins, troubleshooting & monitoring, and device management.

Exam Topics

The Microsoft AZ-220 test consists of several subject areas. The applicants may get familiar with them in advance. Just download the exam blueprint and explore it. The highlights of the domains that are included in the certification test are enumerated below:

Setting Up an IoT Solution Infrastructure: The first module assesses the skills of the professionals in the following:

• Creating and setting an Azure IoT Hub: It includes the expertise in registering a device, creating the IoT Hub, and setting the device twin.
• Building device messaging and communication: It requires the experience in implementing device-to-Cloud and Cloud-to-device communication and setting file upload for devices and optimizing message scaling & size.
• Setting physical IoT devices: It covers setting device topology, connectivity, and networking. It is also important to have the ability to recommend an appropriate protocol based on device specifications.

Provisioning and Managing Devices: The next section requires that the applicants have proficiency in:

• Setting up a Device Provisioning Service: It requires the competence in creating new enrollments for DPS, linking the IoT Hub to Device Provisioning Services, and creating DPS.
• Managing the device lifecycle: It includes provisioning a device with DPS, decommissioning a device, and de-provisioning an auto-enrollment.
• Managing IoT devices by utilizing the IoT Hub: It covers managing the devices list within an IoT Hub device registry and configuring module identities, among others.
• Managing IoT devices by utilizing Azure IoT Central: The individuals should have the expertise in creating custom device templates with Azure IoT Central, setting actions & rules within Azure IoT Central, troubleshooting data mapping & device connections, and adding & managing devices from the IoT Central, among others.

Implementing IoT Edge: This part evaluates the competence of the test takers in the following:

• Setting up IoT Edge devices: It includes updating IoT Edge runtime, creating the device identity within the IoT Hub, and implementing module access for the host system.
• Deploying IoT Edge devices: It covers creating a deployment for a single IoT Edge device as well as creating a deployment to target multiple devices. It is also important to have the relevant skills in creating and implementing a deployment manifest.
• Developing IoT Edge modules: It focuses on creating & customizing Edge modules, defining module configuration, and deploying IoT Edge modules from Azure Marketplace to the Edge device, among others.
• Setting IoT Edge devices: The examinees should possess proficiency in setting the IoT Edge certificates and choosing the relevant gateway patterns.

Implementing Business Integration: As for the next subject area, the specialists should have the expertise in:

• Integrating with downstream and upstream systems: It covers testing data interface integration and setting workflows.
• Developing Azure Digital Twins solutions: It focuses on querying Azure Digital Twins graphs and updating properties on the Azure Digital Twins entities in the graph.

Processing and Managing Data: This domain is all about:

• Setting message routing in Azure IoT Hub: It includes defining & evaluating Event Grid sources and implementing message enrichment in IoT Hub.
• Creating ASA queries: The candidates should be able to write an ASA query, which runs in Cloud and IoT Edge.
• Processing real-time data by utilizing Time Series Insights: It focuses on creating the TSI environment and implementing Time Series model hierarchies, types, and instance fields.

Monitoring, Troubleshooting, and Optimizing IoT Solutions: The next topic checks the experience of the examinees in the following:

• Configuring health monitoring, troubleshooting device communication, and ensuring availability and performance.

Implementing Security: The last module measures the ability of the individuals to perform the following processes:

• Implementing security for IoT services and devices as well as implementing Azure Defender for IoT.

Career and Salary Opportunities

The professionals can explore various career paths with the Microsoft Certified: Azure IoT Developer Specialty certification. Some of the job roles that they can take up include an IoT Backend Software Developer, a Delivery Architect Director, a Microsoft Azure Cloud Architect, a Technical Architect, an Azure Cloud Engineer, a Front-End Developer, and a DevOps Team Lead. The average remuneration for these positions is $113,000 per annum.

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