Exam Preparation

The Microsoft Learning Platform has everything that the candidates need to completely prepare for their certification test. You can explore free resources as well as paid training courses. You will also find the exam questions that will help you evaluate your level of preparedness for the actual test. All in all, you can look at the following options:

• Paid Training Course

  This is an instructor-led training course that is designed to provide all the learners with the knowledge and skills needed to create and maintain the Cloud and edge portions associated with Azure IoT solutions. The course is not for free, but it focuses on the complete coverage of Azure IoT services, including IoT Hub, Azure Stream Analytics, Device Provisioning Services, and Time Series Insights, among others.

• Practice Test

  The applicants can find this option on the official website. This training tool is very useful in evaluating their knowledge before taking the real test. It is recommended to spend ample time going over the questions to understand the patterns of the actual exam questions and how to answer them appropriately to achieve the passing score.

• Free Resources

  These are free online learning paths that are designed to help the students gain the required skills for obtaining the certification. There are four learning paths with different modules for each track and you can explore all of them for free. The paths that are identified for Microsoft AZ-220 include Introduction to Azure IoT, Securely Connecting the IoT Devices to Cloud, Building the Intelligence Edge with the Azure IoT Edge, and Developing the IoT Solutions with the Azure IoT Central.

Exam Information

The Microsoft AZ-220 exam is available in English, Simplified Chinese, Korean, and Japanese. The candidates can schedule the test through the Pearson VUE platform. The fee for taking this exam is $165 for the individuals in the United States. The applicants from other countries should check the official website to find details of the fee that applies to their region.

The certification exam covers various question formats, which include multiple choice, build list, active screen, case studies, as well as drag and drop. The number of questions administered during the delivery of the test varies from one exam to another. However, you can expect 40-60 questions to be completed in 180 minutes. The passing score is 700 points and the learners who do not pass it at the first attempt must pay a new fee to retake it. The retake policy can be found on the official website.

Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/az-220

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Topics of AZ-220:Microsoft Azure IoT Developer Exam

Candidates should apprehend the examination topics before they begin of preparation. because it'll extremely facilitate them in touch the core. Our AZ-220 exam dumps will include the following topics:

1. Implement the IoT solution infrastructure (15-20%)

Create and configure an IoT Hub

• Configure a device twin
• Create an IoT Hub
• Configure IoT Hub tier and scaling
• Register a device

Build device messaging and communication

• Implement cloud-to-device communication
• Build messaging solutions by using SDKs (device and service)
• Implement device-to-cloud communication
• Configure file upload for devices

Configure physical IoT devices

• Recommend an appropriate protocol based on device specifications
• Configure device networking, topology, and connectivity

2. Provision and manage devices (20-25%)

Implement the Device Provisioning Service (DPS)

• Create a new enrollment in DPS
• Manage allocation policies by using Azure Functions
• Create a Device Provisioning Service
• Link an IoT Hub to the DPS

Manage the device lifecycle

• Decommission (disenroll) a device
• Provision a device by using DPS
• Deprovision an autoenrollment

Manage IoT devices by using IoT Hub

• Modify device twin tags and properties
• Set up Automatic Device Management of IoT devices at scale
• Trigger an action on a set of devices by using IoT Hub Jobs and Direct Methods
• Manage devices list in the IoT Hub device registry

Build a solution by using IoT Central

• Define the operator view
• Monitor devices
• Define a device type in Azure IoT Central
• Configure rules and actions in Azure IoT Central
• Add and manage devices from IoT Central

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

• Update security daemon and runtime
• Create a device identity in IoT Hub
• Create a deployment for IoT Edge devices
• Deploy a single IoT device to IoT Edge
• Install container runtime on IoT devices
• Define and implement deployment manifest

Develop modules

• Deploy a module to an Edge device
• Publish an IoT Edge module to an Azure Container Registry
• Create and configure an Edge module

Configure an IoT Edge device

• Implement and configure offline support
• Implement module-to-module communication
• Select and deploy an appropriate gateway pattern

4.Process and manage data (15-20%)

Configure routing in Azure IoT Hub

• Define and test routing queries
• Configure routing of IoT Device messages to endpoints
• Implement message enrichment in IoT Hub
• Integrate with Event Grid

Configure stream processing

• Configure Stream Analytics outputs
• Create ASA for data and stream processing of IoT data
• Process and filter IoT data by using Azure Functions

Configure an IoT solution for Time Series Insights (TSI)

• Create an Azure Time Series Insights (TSI) environment
• Connect the IoT Hub and the Time Series Insights (TSI)
• Implement solutions to handle telemetry and time-stamped data

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

Configure health monitoring

• Query and visualize tracing by using Azure monitor
• Set up diagnostics logs for Azure IoT Hub
• Configure metrics in IoT Hub

Troubleshoot device communication

• Verify device telemetry is received by IoT Hub
• Validate device twin properties, tags and direct methods
• Troubleshoot device disconnects and connects
• Establish maintenance communication

Perform end-to-end solution testing and diagnostics

• Conduct performance and stress testing
• Estimate the capacity required for each service in the solution
• Set up device D2C message tracing by using Azure Distributed Tracing

6. Implement security (15-20%)

Implement device authentication in the IoT Hub

• Manage the X.509 certificates for a device
• Choose an appropriate form of authentication
• Manage the symmetric keys for a device

Implement device security by using DPS

• Generate and manage x.509 certificates for IoT Devices
• Configure different attestation mechanisms with DPS
• Configure enrollment with symmetric keys
• Generate a TPM endorsements key for a device
• Configure enrollment with x.509 certificates

Implement Azure Security Center (ASC) for IoT

• Enable ASC for IoT in Azure IoT Hub
• Configure custom alerts
• Create security modules

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Microsoft AZ-220 Exam Syllabus Topics: