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
- Build messaging solutions by using SDKs (device and service)
- Configure file upload for devices
- Implement cloud-to-device communication
- 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)
- Manage allocation policies by using Azure Functions
- Link an IoT Hub to the DPS
- 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
- 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
- Modify device twin tags and properties
- Manage devices list in the IoT Hub device registry
Build a solution by using IoT Central
- Add and manage devices from IoT Central
- Monitor devices
- Define the operator view
- Configure rules and actions in Azure IoT Central
- Define a device type in Azure IoT Central
3. Implement Edge (15-20%)
Set up and deploy an IoT Edge device
- Deploy a single IoT device to IoT Edge
- Create a device identity in IoT Hub
- Create a deployment for IoT Edge devices
- Update security daemon and runtime
- Install container runtime on IoT devices
- Define and implement deployment manifest
Develop modules
- Create and configure an Edge module
- Deploy a module to an Edge device
- Publish an IoT Edge module to an Azure Container Registry
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
- Integrate with Event Grid
- Configure routing of IoT Device messages to endpoints
- Define and test routing queries
- Implement message enrichment in IoT Hub
Configure stream processing
- Create ASA for data and stream processing of IoT data
- Configure Stream Analytics outputs
- 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
- Query and visualize tracing by using Azure monitor
- Configure metrics in IoT Hub
- Set up diagnostics logs for Azure IoT Hub
Troubleshoot device communication
- Establish maintenance communication
- Validate device twin properties, tags and direct methods
- Troubleshoot device disconnects and connects
- Verify device telemetry is received by IoT Hub
Perform end-to-end solution testing and diagnostics
- Set up device D2C message tracing by using Azure Distributed Tracing
- Estimate the capacity required for each service in the solution
- Conduct performance and stress testing
6. Implement security (15-20%)
Implement device authentication in the IoT Hub
- Manage the X.509 certificates for a device
- Manage the symmetric keys for a device
- Choose an appropriate form of authentication
Implement device security by using DPS
- Generate a TPM endorsements key for a device
- Generate and manage x.509 certificates for IoT Devices
- Configure different attestation mechanisms with DPS
- Configure enrollment with x.509 certificates
- Configure enrollment with symmetric keys
Implement Azure Security Center (ASC) for IoT
- Create security modules
- Configure custom alerts
- Enable ASC for IoT in Azure IoT Hub
Exam Domain Details
Simply put, this Microsoft evaluation will check on your knowledge of the succeeding skills:
- Deploying the Edge
Here, learners have a good chance to learn the expert-level expertise related to concepts like IoT Edge device set-up along with automatic deployment.
- Observe, fix issues & optimize IoT solutions
The second last section is all about troubleshooting IoT solutions. Concepts like configuring health monitoring, metrics in IoT Hub, understanding Azure IoT Hub setting diagnostics logs, and conducting performance & testing stress are well explained in this segment.
- Handling & Processing the data
With details like ways to routing configuration for Azure IoT hub, integration of Event Grid Configuration stream processing, Stream Analytics output configuration, IoT data processing using ASA, Azure Time Series Insights (TSI) environment creating, and IoT Hub alongside the TSI configuration, this objective is very informative and detailed.
- Implement security
Before the test ends, a detailed understanding of device authentication, using x.509 certificates for configuration enrollment, choosing the right authentication type, configuring various attestation mechanisms through DPS, and the TPM endorsement key generating for the device can be gained from such an area.
- Implement the IoT solution infrastructure
The first exam domain tries to impart best-of-breed understanding related to creating and configuration an IoT hub, device twin configuration, device-to-cloud communication, and many others.
- Provision and manage devices
Taking care of the device lifecycle management, IoT device management through IoT Hub, handling the Device Provisioning Service (DPS), and building IoT solutions are the topics covered in the second part of AZ-220.
Reference: https://docs.microsoft.com/en-us/learn/certifications/exams/az-220
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