Microsoft Azure IoT Developer (AZ-220)

Examine the architecture of an IoT solution

• Describe the subsystems of an IoT solution architecture and the cross-cutting concerns that overlay the architecture.
• Describe the data workflows between device and cloud and between cloud services.

Examine the components of an IoT solution

• Describe the device hardware and cloud service components of an IoT solution.
• Describe the device software options and Azure IoT technologies that are available to you.

Explore the Azure portal

• Describe the features of the Azure portal.
• Demonstrate your ability to configure and use the Azure portal toolbar, navigation menu, and dashboard.

Explore Azure IoT services

• Describe features of the Azure IoT Hub and Device Provisioning Service resources.
• Explain Azure resource naming requirements.
• Create and examine Azure IoT Hub and Device Provisioning Service resources in the Azure portal.

Examine IoT Hub properties

• Describe the service tiers available for IoT Hub.
• Describe the IoT Hub endpoints that are available for communication with other resources.
• Describe the security features that IoT Hub uses to help protect your solution.

Examine IoT device lifecycle concepts

• Describe the IoT device lifecycle terms and device type classifications.
• Describe the concept of device twins and how devices twins can be used to monitor devices.
• Describe the conditions under which devices may need to be retired.

Examine the IoT developer tools

• Describe the developer tool options.
• Describe the Azure IoT SDKs for devices and services.
• Describe the Visual Studio Code, Azure CLI, and Cloud Shell coding environments.

Explore device configuration and communication

• Describe the types of device communication and the device communication protocols.
• Register a device with IoT Hub, and then configure and test device-to-cloud communication with IoT Hub.

Examine Device Provisioning Service terms and concepts

• Describe the phases of device provisioning.
• Describe the concepts and features of Device Provisioning Service deployments.
• Describe device enrollment concepts and attestation methods.
• Describe the processes for device provisioning and auto-provisioning.

Examine Device Provisioning Service coding tools and access

• Describe the Azure CLI support for the Device Provisioning Service.
• Describe the SDKs associated with the Device Provisioning Service.
• Describe user permissions and how to control access to DPS.

Examine device provisioning lifecycle tasks

• Describe the device enrollment tools and processes.
• Describe how to configure and use certificates within the provisioning lifecycle.
• Describe the deprovisioning and disenrollment processes.
• Describe how to provision for multi-tenancy scenarios.

Explore individual enrollment tasks

• Create a new individual enrollment in DPS that uses Symmetric Key attestation and specifies an initial Device Twin State for the device.
• Configure a simulated device using the autogenerated keys for device attestation, verify that device connects successfully with IoT hub, and recognize the code used to initialize the device using device twin properties.
• Complete a deprovisioning process that securely removes the device from your solution by both disenrolling and deregistering the device.

Explore group enrollment tasks

• Generate an X.509 root CA Certificate using OpenSSL within the Azure Cloud Shell, and then use the root certificate to configure a group enrollment within the Device Provisioning Service.
• Generate a device certificate and use it to provision a device to IoT hub.
• Use code to access to the device twin properties and perform initial configuration of the device.
• Deprovision an individual device from the enrollment group and then deprovision the entire group enrollment.

Examine IoT Hub message routing

• Describe message processing concepts.
• Describe the Azure IoT common message format and features of IoT Hub message routing.
• Describe the built-in and custom endpoints that can be used with IoT Hub message routing.
• Describe the message routing query syntax.

Consider message processing options and constraints

• Describe IoT Hub message routing with Event Grid integration.
• Describe IoT Hub message enrichment.
• Describe the IoT Hub messaging quotas and throttling limits.

Get started with cloud storage for IoT

• Describe the lambda architecture for data storage.
• Describe Azure storage options commonly implemented with IoT solutions.
• Describe the features provided by specific Azure storage options.

Examine Azure Stream Analytics and Azure Functions

• Describe Azure Stream Analytics concepts, use cases, and guidelines.
• Describe Azure Stream Analytics input types and configuration requirements.
• Describe the Azure Stream Analytics query syntax for simple and complex queries.
• Describe how Azure Stream Analytics handles time data and the available windowing functions.
• Describe Azure Stream Analytics output options and the capabilities provided by Azure functions.

Explore message processing tasks

• Connect a simulated device to Azure IoT Hub and verify that IoT Hub is receiving telemetry.
• Configure an Azure IoT Hub message route that outputs selected message data to Azure Blob storage.
• Configure an Azure Stream Analytics job that analyzes message data and routes the selected information to Azure Blob storage.

Examine business integration for IoT solutions

• Describe business contributor responsibilities and the Azure services that enable downstream workflows.
• Describe Azure Event Grid integration within an IoT solution.
• Describe the purpose and capabilities of Azure Logic Apps.

Examine Azure Time Series Insights

• Describe the use cases and benefits of Azure Time Series Insights.
• Describe Time Series Insights resource configuration.
• Describe Time Series Insights integration with IoT Hub.

Examine data visualizations with Power BI

• Describe Power BI options and capabilities.
• Describe Power BI data connections.
• Describe Power BI data visualization options.

Explore Event Grid integration

• Create a Logic App that sends an email.
• Configure an IoT Hub Event Subscription that triggers the Logic App when a device is created.

Explore Time Series Insights integration

• Create an Azure Time Series Insights (TSI) environment.
• Connect to IoT Hub with Time Series Insights (TSI).
• View time series data using the Time Series Insights (TSI) Explorer.

Examine the Azure IoT Edge environment

• Describe the features and capabilities of Azure IoT Edge.
• Describe the IoT Edge runtime and modules.
• Describe IoT Edge security and certificates.

Examine IoT Edge device deployment

• Describe Azure IoT Edge deployment concepts.
• Describe the IoT Edge deployment manifest.
• Describe pre-deployment considerations.

Examine IoT Edge gateway device configuration

• Describe the IoT Edge device gateway patterns.
• Describe how to authenticate the devices that are connected to a gateway device.
• Describe the configuration of a transparent gateway device.

Explore IoT Edge module deployment

• Deploy an Azure IoT Edge enabled Linux VM.
• Create an IoT Edge device identity in IoT Hub using Azure CLI.
• Connect the IoT Edge device to IoT Hub.
• Deploy an IoT Edge module that acts as a temperature sensor.
• Deploy Azure Stream Analytics module that analyzes temperature data on the IoT Edge device.

Explore IoT Edge gateway configuration

• Deploy an Azure IoT Edge Enabled Linux VM as an IoT Edge Device.
• Configure the IoT Edge device as a transparent gateway and connect it to IoT Hub.
• Configure the IoT Edge gateway device for communication with downstream IoT devices.
• Create a downstream IoT device and configure its connection to the gateway device.

Examine IoT Edge module development

• Describe the Azure IoT Edge runtime support for custom code development.
• Describe the IoT Edge coding tools.
• Describe IoT Edge coding and debugging processes.

Examine offline and local storage capabilities

• Describe the extended offline capabilities.
• Describe local storage using Azure Blob storage.
• Describe module access to local storage.

Explore custom module development for IoT Edge

• Configure the IoT Edge code development environment and container registry.
• Create and debug a custom IoT Edge module.
• Publish the module to the Azure Container Registry and prepare for deployment.

Explore IoT Edge offline support

• Create an IoT Edge gateway device and a child IoT device.
• Configure communication between the IoT Edge gateway and child device.
• Configure the IoT Edge Gateway device Time-to-Live and Message Store.
• Test the device connectivity and offline support.

Examine device management concepts and methods

• Describe device management concepts.
• Describe the device management patterns.
• Describe device configuration options using device twins and direct methods.

Examine device management tools

• Describe the device management tools and approaches.
• Describe device management using the IoT extension for Azure CLI.
• Describe device management using the Azure IoT tools for VS Code.

Examine approaches to device management at scale

• Describe how to use IoT Hub jobs for device management.
• Describe IoT Hub automatic device management.
• Describe device management best practices.

Explore device management with device twins and direct methods

• Create a back-end service app that listens for device telemetry.
• Implement a direct method that communicates settings to an IoT device.
• Implement device twin functionality that manages IoT device properties.

Explore IoT Hub automatic device management

• Write code for a simulated device that will implement a firmware update.
• Test the firmware update process on a single device using Azure IoT Hub automatic device management.

Examine Azure IoT solution monitoring and logging

• Describe Azure Monitor support.
• Describe IoT Hub metrics and resource logs.
• Describe IoT device connection state monitoring and lifecycle events.
• Describe IoT Hub service limits and their impact on monitoring.

Troubleshoot device connections and communication

• Describe device connection best practices.
• Describe the device communication troubleshooting guide.

Explore IoT Hub monitoring

• Enable IoT Hub diagnostics logs and metrics.
• Configure alerts for IoT Hub metrics.
• Trigger alerts and verify records in the diagnostics log.

Examine security fundamentals for IoT

• Describe security recommendations.
• Describe the IoT security infrastructure and security-in-depth strategy.
• Describe threat modeling and mitigation techniques.

Examine Microsoft Defender for Cloud and Microsoft Defender for IoT

• Describe Microsoft Defender for Cloud concepts.
• Describe Microsoft Defender for IoT options and features of the agent-based implementation.
• Describe IoT Hub security alerts and custom alert implementations.

Examine Microsoft Defender for IoT security agents

• Describe Microsoft Defender for IoT security agent options.
• Describe security agent authentication methods.
• Describe built-in security agent alerts.
• Describe security recommendations for Microsoft Defender for IoT and devices.

Explore Microsoft Defender for IoT implementation

• Enable Microsoft Defender for IoT and create a security module twin.
• Install a security agent on a device.
• Create and trigger a custom alert.
• Review the alert in Microsoft Defender for IoT.

Examine the components of an Azure Digital Twins solution

• Describe the components of an Azure Digital Twins solution.
• Describe Azure Digital Twins models and the Digital Twins Definition Language.
• Describe digital twins and graph construction.

Examine the Azure Digital Twins solution development tools and processes

• Describe Azure Digital Twins service configuration.
• Describe the Azure Digital Twins APIs and associated developer tools.
• Describe the Azure Digital Twins SDKs and associated developer tools.
• Describe how to manage and query graph components.
• Describe how to implement Azure Digital Twins data inputs and outputs.

Monitor and troubleshoot ADT

• Describe the Azure Digital Twins metrics.
• Describe the Azure Digital Twins diagnostics settings, logs, and alerts.
• Describe Azure Resource Health support for Azure Digital Twins.

Explore Azure Digital Twins implementation

• Build an Azure Digital Twins graph using digital twin instances.
• Implement graph interaction that includes queries and digital twin property updates.
• Ingest IoT device messages by using an Azure function.
• Configure Azure Digital Twins routes and endpoints to publish telemetry to Time Series Insights using Azure Functions and Event Grid.

Intro to IoT Central

• Describe the components and capabilities of Azure IoT Central.
• Describe the Azure IoT Central architecture.
• Describe the industry support and device security provided by Azure IoT Central.

Create and manage Device Templates

• Describe the features and components of a Device Template.
• Describe the component sections of a Device Template.
• Describe how to version a Device Template.

Manage devices in Azure IoT Central

• Describe the Azure IoT Central UI tools for device management.
• Describe device management with device groups.
• Describe device management at scale using jobs.

Configure business integration

• Describe the configuration of Rules in Azure IoT Central.
• Describe how to configure a rule with condition-based actions.
• Describe the Azure IoT Central Dashboard page for administrators.
• Describe the Azure IoT Central data analytics UI.