Correct Answer: Create an IoT Hub automatic deployment (layered deployment) targeting devices by tag
IoT Hub automatic deployments (including layered deployments) target groups of IoT Edge devices using device twin tags or conditions. When you update the deployment, IoT Hub automa...
Correct Answer
Create an IoT Hub automatic deployment (layered deployment) targeting devices by tag
Why This Answer Is Correct
IoT Hub automatic deployments (including layered deployments) target groups of IoT Edge devices using device twin tags or conditions. When you update the deployment, IoT Hub automatically pushes the new manifest to all matching devices. This is the intended at-scale deployment mechanism, avoiding any per-device manual steps.
This question evaluates your knowledge of Azure IoT Edge — a core concept tested in Microsoft Certified: Azure IoT Developer Specialty (AZ-220). Understanding Azure IoT Edge is essential for designing scalable, secure, and cost-effective cloud architectures. Mastery of this topic will help you answer scenario-based questions confidently on exam day.
You have an Azure IoT Edge device deployed at a factory. A custom module processes sensor data and should forward only anomaly alerts to IoT Hub to minimize bandwidth. Normal readings should be discarded at the edge. How do you configure this routing?
An IoT Edge device in a remote oil field has intermittent internet connectivity. You need the device to continue collecting and processing sensor data during outages and sync to the cloud when connectivity is restored. Which IoT Edge capability enables this?
You need to deploy a third-party machine learning model to IoT Edge devices for local inferencing. The model is packaged as a Docker container. Which component of IoT Edge is responsible for managing the lifecycle of this container on the device?
You need legacy devices without native IoT SDK support to connect to IoT Hub through an IoT Edge device. Each legacy device should appear as a separate device identity in IoT Hub. Which IoT Edge gateway pattern should you implement?
You need to deploy an IoT Edge custom module that requires access to a hardware device (e.g., /dev/ttyUSB0 for serial communication) on the host gateway. How should you configure this module in the deployment manifest?