AZ-220
Azure IOT Developer Exam Prep
Set Up the IoT Solution Infrastructure (10-15%)
- Create and configure an IoT Hub
- create an IoT Hub
- register a device
- configure a device twin
- configure IoT Hub tier and scaling
- Build device messaging and communication
Build messaging solutions by using SDKs (device and service)
- implement device-to-cloud communication
- implement cloud-to-device communication
- configure file upload for devices
- optimize message size and scaling
- connect to IoT Hub using TLS server certificates
Configure physical IoT devices
- recommend an appropriate protocol based on device specifications
- configure device networking, topology, and connectivity
Provision and manage devices (15-20%) Set up an IoT Hub Device Provisioning Service (DPS)
- create a DPS instance
- create a new enrollment in DPS
- link an IoT Hub to the DPS instance
Manage the device lifecycle
- provision a device by using DPS
- deprovision an autoenrollment
- decommission (disenroll) a device
Manage IoT devices by using IoT Hub
- manage the devices list in the IoT Hub device registry
- modify device twin tags and properties
- configure a set of devices by using IoT Hub Automatic Device Management
- trigger an action on a set of devices by using IoT Hub Jobs and Direct Methods
- implement a device firmware update process by using device management primitives
- configure module identities
Manage IoT devices by using Azure IoT Central
- create a custom device template by using Azure IoT Central
- configure rules and actions in IoT Central
- customize the operator view
- add and manage devices from IoT Central
- troubleshoot device connections and data mapping
- create an application based on an app template for an industry vertical
- export a custom application template
- create and manage a new application based on a custom application template
- upgrade and version a device template
- run IoT Central jobs
- interact with IoT Central devices using the REST APIs
Set up an IoT Edge device
- create a device identity in IoT Hub
- set up an IoT device for IoT Edge
- select and install container runtime on IoT devices
- implement module access to the host system
- update IoT Edge runtime
- provision IoT Edge devices by using DPS
Deploy an IoT Edge device
- create and implement a deployment manifest
- create a deployment for a single IoT Edge device
- create a deployment to target multiple devices
- create a continuous deployment by using Azure DevOps
Develop IoT Edge modules
- create and customize an IoT Edge module
- deploy a custom IoT Edge module to an IoT Edge device
- deploy an IoT Edge module from Azure Marketplace to an IoT Edge device
- publish an IoT Edge module to Azure Container Registry
- define module configuration
- configure IoT Edge module routing
- configure environment for IoT Edge development; debug IoT Edge modules in the development environment
Configure an IoT Edge device
- select an appropriate gateway pattern
- deploy an IoT gateway by using IoT Hub and IoT Edge
- configure IoT Edge certificates
- implement and configure offline support (including local storage)
- create a layered hierarchy of IoT Edge devices
Implement Business Integration (5-10%)
Integrate with upstream and downstream systems
- set up input and output connections
- set up IoT Hub routing for triggering workflows
- test data interface integration
- integrate third-party solutions
- configure workflows, including rules and alerts
Develop Azure Digital Twins solutions
- create Azure Digital Twins models and digital twins
- map IoT device data to Azure Digital Twins models and relationships
- ingest IoT device messages and translate messages to Azure Digital Twins
- configure routes and endpoints to trigger business logic and data processing
- query the Azure Digital Twins graph
- update properties on Azure Digital Twins entities in the graph
- monitor and troubleshoot Azure Digital Twins
Process and Manage Data (15-20%) Configure message routing in Azure IoT Hub
- implement message enrichment in IoT Hub
- implement routing of IoT device messages to endpoints
- define and test routing queries
- configure IoT Hub as an Azure Event Grid source
- reconfigure the default Azure Event Hubs endpoint when there are multiple endpoints
Configure stream processing of IoT data
- create Azure Stream Analytics for data and stream processing of IoT data
- process and filter IoT data by using Azure Functions
- write user-defined functions and aggregations in Stream Analytics
- consume Azure Machine Learning functions in Stream Analytics
- configure Stream Analytics outputs
Create Azure Stream Analytics queries
- write a Stream Analytics query that runs in IoT Edge
- write a Stream Analytics query that runs in the cloud
Process real-time data by using Azure Time Series Insights
- create a Time Series Insights environment
- connect IoT Hub and the Time Series Insights environment
- create a reference data set for a Time Series Insights environment by using the Azure portal implement Time Series Model hierarchies, types, and instance fields consume data by using Time Series Expression syntax
Monitor, Troubleshoot, and Optimize IoT Solutions (15-20%)
Configure health monitoring
- configure metrics in IoT Hub
- set up diagnostics logs for IoT Hub
- configure IoT Hub scaling (SKU/unit) programmatically
- query and visualize tracing by using Azure Monitor
- apply Azure Policy definitions for IoT Hub
- gather IoT Edge metrics
- retrieve diagnostics from IoT Edge
Troubleshoot device communication
- establish maintenance communication by using RDP or SSH
- establish maintenance communication by using Azure Device Streams
- verify device telemetry is received by IoT Hub
- validate device twin properties, tags, and direct methods
- troubleshoot device disconnects and connects
- troubleshoot IoT Edge devices
Ensure performance and availability
- identify and resolve bottlenecks
- calculate capacity requirements for each service
- troubleshoot message loss
- test manual failover
Implement Security (10-15%) Implement security for IoT devices and services
- implement device and gateway security
- ensure secure connections
Implement Azure Defender for IoT
- configure an Azure Defender for an IoT agent-based solution
- implement Defender-IoT-micro-agents (security agents)
- configure built-in and custom alerts for Io