Microsoft AZ-220 : Microsoft Azure IoT Developer

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Schedule exam

Languages: English, Japanese, Chinese (Simplified), Korean

Retirement date: none

This exam measures your ability to set up the IoT solution infrastructure; provision and manage devices; implement IoT Edge; process and manage data; monitor, troubleshoot, and optimize IoT solutions; and implement security.

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

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:

• 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.

• 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.

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

Build device messaging and communication

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

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

Manage the device lifecycle

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

Manage IoT devices by using IoT Hub

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

Build a solution by using IoT Central

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

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

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

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 module-to-module communication
• Implement and configure offline support

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

Configure routing in Azure IoT Hub

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

Configure stream processing

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

Configure an IoT solution for Time Series Insights (TSI)

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

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

Configure health monitoring

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

Troubleshoot device communication

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

Perform end-to-end solution testing and diagnostics

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

6. Implement security (15-20%)

Implement device authentication in the IoT Hub

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

Implement device security by using DPS

• Configure different attestation mechanisms with DPS
• Generate and manage x.509 certificates for IoT Devices
• 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

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

Microsoft AZ-220 Exam Syllabus Topics: