Câu 36: AZ-220: Microsoft Azure IoT Developer

You have an Azure IoT hub that uses a Device Provisioning Service instance. You have 1,000 legacy IoT devices that only support MAC address or serial number identities. The devices do NOT have a security feature that can be used to securely identify the device or a hardware security module (HSM). You plan to deploy the devices to a secure environment. You need to configure the Device Provisioning Service instance to ensure that all the devices are identified securely before they receive updates. Which attestation mechanism should you choose?

1. A. Trusted Platform Module (TPM) 1.2 attestation
2. B. symmetric key attestation — đáp án hiện tại
3. C. X.509 certificates