Question: You are implementing an application to manage automated warehouse operations for a global retailer. You need to design an enrollment process for IoT devices for production use. Solution requirements are as follows: Register IoT devices in bulk; encrypt all communication between devices and the Azure IoT cloud service; and implement Microsoft recommendations for device security. Which option should you choose?
- managed identity (shared)
- X.509 certificate
- managed service identity (per device)
- SAS key
Answer: The correct answer of the above question is Option B:X.509 certificate