Exam Information

The Microsoft AZ-220 exam is available in English, Simplified Chinese, Korean, and Japanese. The candidates can schedule the test through the Pearson VUE platform. The fee for taking this exam is $165 for the individuals in the United States. The applicants from other countries should check the official website to find details of the fee that applies to their region.

The certification exam covers various question formats, which include multiple choice, build list, active screen, case studies, as well as drag and drop. The number of questions administered during the delivery of the test varies from one exam to another. However, you can expect 40-60 questions to be completed in 180 minutes. The passing score is 700 points and the learners who do not pass it at the first attempt must pay a new fee to retake it. The retake policy can be found on the official website.

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

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

Build device messaging and communication

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

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

3. Implement Edge (15-20%)

Set up and deploy an IoT Edge device

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

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

• 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
• Configure routing of IoT Device messages to endpoints
• Integrate with Event Grid
• Define and test routing queries

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)

• 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

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

Troubleshoot device communication

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

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 symmetric keys for a device
• Manage the X.509 certificates for a device

Implement device security by using DPS

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

Implement Azure Security Center (ASC) for IoT

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

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