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Microsoft

AZ-220 · Question #42

You have an Azure IoT solution that includes an Azure IoT hub, 100 Azure IoT Edge devices, and 500 leaf devices. You need to perform a key rotation across the devices. Which three types of entities…

The correct answer is A. the $edgeHub module identity D. the IoT Edge device identities F. the leaf device identities. To get authorization to connect to IoT Hub, devices and services must send security tokens signed with either a shared access or symmetric key. These keys are stored with a device identity in the identity registry. An IoT Hub identity registry can be accessed like a dictionary…

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Question

You have an Azure IoT solution that includes an Azure IoT hub, 100 Azure IoT Edge devices, and 500 leaf devices. You need to perform a key rotation across the devices. Which three types of entities should you update? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.

Options

  • Athe $edgeHub module identity
  • Bthe $edgeAgent module identity
  • Cthe leaf module identities
  • Dthe IoT Edge device identities
  • Ethe iothubowner policy credentials
  • Fthe leaf device identities

How the community answered

(21 responses)
  • A
    71% (15)
  • B
    14% (3)
  • C
    10% (2)
  • E
    5% (1)

Explanation

To get authorization to connect to IoT Hub, devices and services must send security tokens signed with either a shared access or symmetric key. These keys are stored with a device identity in the identity registry. An IoT Hub identity registry can be accessed like a dictionary, by using the deviceId or moduleId https://docs.microsoft.com/bs-latn-ba/azure/iot-dps/how-to-control-access https://docs.microsoft.com/en-us/azure/iot-hub/iot-hub-devguide-identity-registry

Topics

#key rotation#IoT Edge#leaf devices#module identity

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