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Exam SC-300 topic 2 question 49 discussion

Actual exam question from Microsoft's SC-300
Question #: 49
Topic #: 2
[All SC-300 Questions]

You have a Microsoft 365 tenant.

All users have mobile phones and Windows 10 laptops.

The users frequently work from remote locations that do not have Wi-Fi access or mobile phone connectivity. While working from the remote locations, the users connect their laptop to a wired network that has internet access.

You plan to implement multi-factor authentication (MFA).

Which MFA authentication method can the users use from the remote location?

  • A. a verification code from the Microsoft Authenticator app
  • B. SMS
  • C. an app password
  • D. a notification through the Microsoft Authenticator app
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Suggested Answer: A 🗳️
by Shingie at Feb. 15, 2025, 4:51 p.m.

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Shingie
1 week ago
Selected Answer: A
The correct answer is: A. A verification code from the Microsoft Authenticator app Explanation: The users are in remote locations with no Wi-Fi or mobile phone connectivity, but they do have internet access via a wired network. Analysis of Each Option: A. A verification code from the Microsoft Authenticator app (Correct) The Authenticator app generates time-based one-time passwords (TOTP) that do not require internet or cellular connectivity. This method works entirely offline, making it the best choice for remote locations. B. SMS (Incorrect) Requires mobile network connectivity, which the scenario states is not available. C. An app password (Incorrect) App passwords are only used for legacy authentication, which should be avoided in modern security setups. Microsoft is deprecating app passwords as part of stronger MFA enforcement. D. A notification through the Microsoft Authenticator app (Incorrect) Push notifications require an internet connection, which is not available via mobile in this scenario.
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