Microsoft AZ-220 - Microsoft Azure IoT Developer

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Exam Requirements

This path has no official prerequisites. However, it is aimed at those individuals with the skills in developing edge and Cloud components of Azure IoT solutions. You can go for it if you are an Azure IoT Developer who is responsible for the management of setup, maintenance, and configuration of a device’s lifecycle. You need to be able to implement different designs for an Azure IoT solution, which include connectivity, device topology, security, and debugging. Those who aim for this option should also be able to design solutions to transform, manage, and monitor an IoT-related data pipeline. These professionals work with other data engineers and stakeholders to promote successful business integration.

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Exam AZ-220: Microsoft Azure IoT Developer

Candidates for this exam should have subject matter expertise implementing the configuration and coding tasks required to create and maintain the cloud and edge portions of an IoT solution.

Candidates for this exam should have a general understanding of device types and Azure services, including data storage options, data analysis, data processing, AI, and other platform as a service (PaaS) options. They must be able to program in at least one Azure IoT software development kit–supported (SDK–supported) language.

Part of the requirements for: Microsoft Certified: Azure IoT Developer Specialty

Download exam skills outline

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

Build device messaging and communication

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

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

Manage the device lifecycle

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

Manage IoT devices by using IoT Hub

• Set up Automatic Device Management of IoT devices at scale
• 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

Build a solution by using IoT Central

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

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

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

Develop modules

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

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

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

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)

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

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

Configure health monitoring

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

Troubleshoot device communication

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

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

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 different attestation mechanisms with DPS
• Configure enrollment with x.509 certificates

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

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