What is required to create a new device ID in Azure IoT Hub using the Azure CLI?

To create a new device ID in Azure IoT Hub using the Azure CLI, the Azure IoT Hub instance name and the new device ID are necessary. Providing both ensures that the system knows which IoT Hub you are referring to, as well as the specific device you want to register within that Hub.

The IoT Hub instance name is crucial because an Azure subscription can host multiple IoT Hubs, and each device ID must be associated with a specific Hub. Without identifying the correct IoT Hub, the command would not know where to create the new device ID, leading to ambiguities in device management and operation.

While unique device IDs are important for identification, simply having a unique device ID without specifying the IoT Hub instance does not suffice for registration, as the devices are stored within specific hubs based on their configuration.

Access rights and permissions are certainly a part of the broader context of Azure's security framework, but they are typically handled through Azure role-based access control and identity management systems, rather than being a direct input into the command for creating a device.

Thus, the correct response emphasizes the structural requirement of both the IoT Hub's name and the device ID for effective device registration in Azure IoT Hub via CLI.