Microsoft 365 Administrator — Question 363

You have a Microsoft 365 E5 subscription.

Users have Android or iOS devices and access Microsoft 365 resources from computers that run Windows 11 or MacOS.

You need to implement passwordless authentication. The solution must support all the devices.

Which authentication method should you use?

Answer options

• A. Windows Hello
• B. FIDO2 compliant security keys
• C. Microsoft Authenticator app

Correct answer: C

Explanation

The Microsoft Authenticator app is designed to work seamlessly across multiple platforms, including Android and iOS, as well as Windows and MacOS, making it the best choice for passwordless authentication. Windows Hello is limited to Windows devices, and FIDO2 compliant security keys may not support all mobile devices as effectively as the Authenticator app.