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MS-102 · Question #296

You have a Microsoft 365 subscription. You need to implement a passwordless authentication solution that supports the following device types: - Windows - Android - iOS The solution must use the same…

The correct answer is A. the Microsoft Authentication app. The Microsoft Authenticator app provides a consistent passwordless authentication method across Windows, Android, and iOS devices.

Submitted by lukas.cz· Apr 18, 2026Implement and manage Microsoft Entra identity and access

Question

You have a Microsoft 365 subscription. You need to implement a passwordless authentication solution that supports the following device types:

  • Windows
  • Android
  • iOS

The solution must use the same authentication method for all devices. Which authentication method should you use?

Options

  • Athe Microsoft Authentication app
  • BVoice call
  • Cmulti-factor authentication (MFA)
  • DWindows Hello for Business

How the community answered

(40 responses)
  • A
    90% (36)
  • B
    5% (2)
  • C
    3% (1)
  • D
    3% (1)

Why each option

The Microsoft Authenticator app provides a consistent passwordless authentication method across Windows, Android, and iOS devices.

Athe Microsoft Authentication appCorrect

The Microsoft Authenticator app supports passwordless phone sign-in for accounts across Windows, Android, and iOS devices by sending a notification to the app for user approval, fulfilling the requirement for a single authentication method across all specified platforms.

BVoice call

Voice call is a form of multi-factor authentication (MFA) but requires a password for the initial factor and is not a passwordless solution.

Cmulti-factor authentication (MFA)

Multi-factor authentication (MFA) is a broader category and not a specific passwordless authentication method itself; it typically involves a password plus an additional factor.

DWindows Hello for Business

Windows Hello for Business is a passwordless solution, but it is exclusive to Windows devices and does not support Android or iOS.

Concept tested: Passwordless authentication for diverse platforms

Source: https://learn.microsoft.com/en-us/entra/identity/authentication/howto-authentication-passwordless-phone

Topics

#Passwordless authentication#Microsoft Authenticator app#Multi-platform support#Authentication methods

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