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
- Create an IoT Hub
- Configure IoT Hub tier and scaling
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)
- Create a new enrollment in DPS
- Create a Device Provisioning Service
- Link an IoT Hub to the DPS
- Manage allocation policies by using Azure Functions
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 devices list in the IoT Hub device registry
- Modify device twin tags and properties
- 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
- Monitor devices
- Add and manage devices from IoT Central
- Configure rules and actions in Azure IoT Central
- Define the operator view
- Define a device type in Azure IoT Central
3. Implement Edge (15-20%)
Set up and deploy an IoT Edge device
- Update security daemon and runtime
- Create a device identity in IoT Hub
- Define and implement deployment manifest
- Create a deployment for IoT Edge devices
- Install container runtime on IoT devices
- 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
- Implement module-to-module communication
- Select and deploy an appropriate gateway pattern
- Implement and configure offline support
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
- 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)
- Create an Azure Time Series Insights (TSI) environment
- Connect the IoT Hub and the Time Series Insights (TSI)
- Implement solutions to handle telemetry and time-stamped data
5. Monitor, troubleshoot, and optimize IoT solutions (15-20%)
Configure health monitoring
- Configure metrics in IoT Hub
- Query and visualize tracing by using Azure monitor
- Set up diagnostics logs for Azure IoT Hub
Troubleshoot device communication
- Troubleshoot device disconnects and connects
- Validate device twin properties, tags and direct methods
- Establish maintenance communication
- Verify device telemetry is received by IoT Hub
Perform end-to-end solution testing and diagnostics
- Estimate the capacity required for each service in the solution
- Set up device D2C message tracing by using Azure Distributed Tracing
- Conduct performance and stress testing
6. Implement security (15-20%)
Implement device authentication in the IoT Hub
- Manage the symmetric keys for a device
- Choose an appropriate form of authentication
- Manage the X.509 certificates for a device
Implement device security by using DPS
- Generate a TPM endorsements key for a device
- Configure enrollment with x.509 certificates
- Configure enrollment with symmetric keys
- Generate and manage x.509 certificates for IoT Devices
- Configure different attestation mechanisms with DPS
Implement Azure Security Center (ASC) for IoT
- Create security modules
- Configure custom alerts
- Enable ASC for IoT in Azure IoT Hub
Microsoft AZ-220 Exam Syllabus Topics:
| Topic | Details |
|---|---|
Set up the IoT Solution Infrastructure (10-15%) | |
| Create and configure an Azure 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 Device Provisioning Service (DPS) | -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 | -manage 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 Azure 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 |
Implement IoT Edge (15-20%) | |
| 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 Edge module -deploy a custom IoT Edge module to an Edge device -deploy an IoT Edge module from the Azure Marketplace to an Edge device -publish an IoT Edge module to an Azure Container Registry - define module configuration - configure IoT Edge module routing -configure environment for IoT Edge development; debug Edge modules in 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) |
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 (ADT) solutions | -create ADT models and digital twins -map IoT device data to ADT models and relationships -ingest IoT device messages and translate messages to ADT -configure routes and endpoints to trigger business logic and data processing - query the ADT graph - update properties on ADT entities in the graph - monitor and troubleshoot ADT |
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 Event Grid source -reconfigure the default EventHub endpoint when there are multiple endpoints |
| Configure stream processing of IoT data | -create ASA for data and stream processing of IoT data -process and filter IoT data by using Azure Functions - write user-defined functions and aggregations in ASA - consume Azure Machine Learning functions in ASA - configure Stream Analytics outputs |
| Create ASA queries | - write an ASA query that runs in the IoT Edge - write an ASA query that runs in the cloud |
| Process real-time data by using Time Series Insights (TSI) | - create a TSI environment - connect the IoT Hub and the TSI environment - create a reference data set for a TSI 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 Azure IoT Hub - configure IoT Hub scaling (SKUunit) programmatically -query and visualize tracing by using Azure Monitor - apply Azure Policy definitions for IoT Hub - gather IoT Edge metrics - retrieve diagnostics from Azure IoT Edge |
| Troubleshoot device communication | -establish maintenance communication by using RDP or SSH - establish maintenance communication by using 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 -create a simulated fleet of devices for performance and stress testing - 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 IoT agent-based solution - implement Defender-IoT-micro-agents (security agents) -configure built-in and custom alerts for IoT Hub |
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Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/az-220
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