Exam Domain Details

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

• 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.

• 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.

• 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.

• 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.

• 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.

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

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

Build device messaging and communication

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

Configure physical IoT devices

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

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

Implement the Device Provisioning Service (DPS)

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

Manage the device lifecycle

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

Manage IoT devices by using IoT Hub

• 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
• Manage devices list in the IoT Hub device registry

Build a solution by using IoT Central

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

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

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

Develop modules

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

Configure an IoT Edge device

• Implement module-to-module communication
• Implement and configure offline support
• 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
• Integrate with Event Grid
• Implement message enrichment in IoT Hub

Configure stream processing

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

Configure an IoT solution for Time Series Insights (TSI)

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

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

Configure health monitoring

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

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

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

Implement Azure Security Center (ASC) for IoT

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

Wrapping up

IoT is a promising field in the IT sector and the Microsoft AZ-220 test acts as an ideal launching pad for this path since such an exam throws light on every essential skill of this subject matter. While you aim at it, don’t overlook the need of referring to updated study materials like official training offered by the vendor.

Microsoft AZ-220日本語 Exam Syllabus Topics: