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How to Prepare For AZ-220:Microsoft Azure IoT Developer Exam

Preparation Guide for AZ-220:Microsoft Azure IoT Developer Exam

Introduction

Microsoft has created a track for Azure professionals who are knowledgeable in Azure IoT landscape to get certified this platform. This certification program provides Microsoft Azure IoT developer professionals a way to demonstrate their skills. The assessment is based on a rigorous exam using industry standard methodology to determine whether a candidate meets Microsoft's proficiency standards.

According to Microsoft, a Microsoft AZ-220 Certified Professional enables organizations to leverage Microsoft Azure IoT developer technologies with a thorough implementation and the coding required to create and maintain the cloud and edge portion of an IoT solution. An IoT Developer is responsible for maintaining the devices throughout the life cycle.

Certification is evidence of your skills, expertise in those areas in which you like to work. There are many vendors in the market that are providing these certifications. If candidate wants to work on Microsoft Azure IoT developer and prove his knowledge, certification offered by Microsoft. This AZ-220 Exam Certification helps a candidate to validates his skills in Microsoft Azure IoT.

In this guide, we will cover the AZ-220:Microsoft Azure IoT Developer Certification exam, AZ-220:Microsoft Azure IoT Developer Certified professional salary and all aspects of the AZ-220:Microsoft Azure IoT Developer Certification.

Exam Domain Details

Simply put, this Microsoft evaluation will check on your knowledge of the succeeding skills:

• Implement the IoT solution infrastructure

  The first exam domain tries to impart best-of-breed understanding related to creating and configuration an IoT hub, device twin configuration, device-to-cloud communication, and many others.

• Implement security

  Before the test ends, a detailed understanding of device authentication, using x.509 certificates for configuration enrollment, choosing the right authentication type, configuring various attestation mechanisms through DPS, and the TPM endorsement key generating for the device can be gained from such an area.

• Observe, fix issues & optimize IoT solutions

  The second last section is all about troubleshooting IoT solutions. Concepts like configuring health monitoring, metrics in IoT Hub, understanding Azure IoT Hub setting diagnostics logs, and conducting performance & testing stress are well explained in this segment.

• Deploying the Edge

  Here, learners have a good chance to learn the expert-level expertise related to concepts like IoT Edge device set-up along with automatic deployment.

• Handling & Processing the data

  With details like ways to routing configuration for Azure IoT hub, integration of Event Grid Configuration stream processing, Stream Analytics output configuration, IoT data processing using ASA, Azure Time Series Insights (TSI) environment creating, and IoT Hub alongside the TSI configuration, this objective is very informative and detailed.

• Provision and manage devices

  Taking care of the device lifecycle management, IoT device management through IoT Hub, handling the Device Provisioning Service (DPS), and building IoT solutions are the topics covered in the second part of AZ-220.

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

• Register a device
• Create an IoT Hub
• 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 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)

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

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

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

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

Develop modules

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

Configure an IoT Edge device

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

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

Configure routing in Azure IoT Hub

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

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
• Configure metrics in IoT Hub
• Set up diagnostics logs for Azure IoT Hub

Troubleshoot device communication

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

Perform end-to-end solution testing and diagnostics

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

6. Implement security (15-20%)

Implement device authentication in the IoT Hub

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

Implement device security by using DPS

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

Implement Azure Security Center (ASC) for IoT

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

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

Microsoft AZ-220 Exam Syllabus Topics:

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