Microsoft Exam AZ-220 Topic 22 Question 14 Discussion

Actual exam question for Microsoft's AZ-220 exam

Question #: 14
Topic #: 22

[All AZ-220 Questions]

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 Answer presents part of the solution.

NOTE: Each correct selection is worth one point.

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

Show Suggested Answer

Suggested Answer: A, D, F

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 as the key. Reference:

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

by Merlyn at May 05, 2022, 01:42 AM

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