Microsoft 365 Identity and Services (legacy) — Question 103

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. Microsoft Authenticator app
• C. FIDO2 compliant security keys

Correct answer: B

Explanation

The Microsoft Authenticator app provides a seamless passwordless authentication experience across various devices, including Android and iOS. While Windows Hello is specific to Windows devices, and FIDO2 keys may not be as widely supported on mobile platforms, the Authenticator app ensures compatibility across all mentioned devices.