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For more info read reference:

microsoft learning site Microsoft Certified: Azure IoT Developer Specialty

The Microsoft AZ-220 certification exam measures the individuals’ experience in implementing Azure services. These services make up an Internet of Things (IoT) solution. This includes data storage options, data analysis, PaaS (platform-as-a-service options), and data process. These professionals have the relevant skills in identifying service configuration settings of Azure Internet of Things in the code segment of IoT solutions. The potential candidates should also be able to carry out the identified IoT coding functions in a minimum of one programming language that is supported by Azure, including C, Python, Node, or C#. Those who pass this test are eligible for the Microsoft Certified: Azure IoT Developer Specialty certificate.

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 IoT Hub tier and scaling
• Configure a device twin
• Register a device
• 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)

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

Manage the device lifecycle

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

Manage IoT devices by using IoT Hub

• 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
• Modify device twin tags and properties

Build a solution by using IoT Central

• Configure rules and actions in Azure IoT Central
• Define a device type in Azure IoT Central
• Monitor devices
• 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
• Define and implement deployment manifest
• Create a deployment for IoT Edge devices
• Create a device identity in IoT Hub
• Update security daemon and runtime
• Install container runtime on IoT devices

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

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

Configure routing in Azure IoT Hub

• Define and test routing queries
• Implement message enrichment in IoT Hub
• 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)

• Implement solutions to handle telemetry and time-stamped data
• Create an Azure Time Series Insights (TSI) environment
• 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
• Set up diagnostics logs for Azure IoT Hub
• Configure metrics in IoT Hub

Troubleshoot device communication

• Establish maintenance communication
• Verify device telemetry is received by IoT Hub
• 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
• 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 and manage x.509 certificates for IoT Devices
• Configure enrollment with x.509 certificates
• Configure enrollment with symmetric keys
• Configure different attestation mechanisms with DPS
• Generate a TPM endorsements key for a device

Implement Azure Security Center (ASC) for IoT

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

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

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