You have an Azure IoT hub that is being taken from prototype to production.
You plan to connect IoT devices to the IoT hub. The devices have hardware security modules (HSMs).
You need to use the most secure authentication method between the devices and the IoT hub. Company policy prohibits the use of internally generated certificates.
Which authentication method should you use?
For the most secure authentication method between IoT devices with hardware security modules (HSMs) and an Azure IoT hub, you should use an X.509 certificate signed by a root certification authority (CA). This method is highly secure and aligns with the company policy which prohibits the use of internally generated certificates. Root CA-signed certificates provide a high level of trust and security in production environments.
D - Correct
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