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Microsoft Exam AZ-220 Topic 25 Question 16 Discussion
Actual exam question for
Microsoft's
AZ-220 exam
Question #: 16
Topic #: 25
[All AZ-220 Questions]
Topic #: 25
You have 1,000 devices that connect to an Azure IoT hub.
You are performing a scheduled check of deployed IoT devices. You plan to run the following command from the Azure CLI prompt.
az iot hub query --hub-name hub1 --query-command "SELECT * FROM devices WHERE connectionState = 'Disconnected'"
What does the command return?
Suggested Answer:
A
The IoT Hub publishes the Microsoft.Devices.DeviceDisconnected event type, which is published when a device is disconnected from an IoT hub.
https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-event-grid#event-types
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