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How to study the AZ-220:Microsoft Azure IoT Developer Exam

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Who should take the AZ-220:Microsoft Azure IoT Developer Exam

The AZ-220 Exam certification is an internationally-recognized certification which help to have validation for those IoT developer who implement designs for solutions to including monitoring and data transformation as it relates to IoT. The IoT Developer collaborate with data engineers and other stakeholders to ensure successful business integration.

Candidates for this exam should be familiar implementation of Azure services that form an IoT solution, , including data storage options, data analysis, data processing, and platform-as-a-service options. Candidates should have extensive experience and knowledge of implementation of Edge , provision and manage data.

• Fresher
• Azure IoT Developer

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

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

Build device messaging and communication

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

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

Manage the device lifecycle

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

Manage IoT devices by using IoT Hub

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

Build a solution by using IoT Central

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

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

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

Develop modules

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

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
• Configure routing of IoT Device messages to endpoints
• Define and test routing queries

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)

• 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

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

Troubleshoot device communication

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

Perform end-to-end solution testing and diagnostics

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

6. Implement security (15-20%)

Implement device authentication in the IoT Hub

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

Implement device security by using DPS

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

Implement Azure Security Center (ASC) for IoT

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