Microsoft Azure IoT Developer — Question 31

You have an Azure IoT solution.

You need to implement multi-factor device authentication by using custom device authentication.

What should you do first?

Answer options

• A. Create an Azure Policy definition for Azure IoT Hub.
• B. Enable multi-factor authentication (MFA) for Microsoft Azure Active Directory (Azure AD), part of Microsoft Entra.
• C. Create a service endpoint policy.
• D. Deploy a security token service.

Correct answer: B

Explanation

The correct answer is B because enabling multi-factor authentication (MFA) for Azure AD is a necessary prerequisite for implementing multi-factor authentication for devices. The other options, while related to security and policies, do not directly address the requirement for MFA in the context of device authentication.