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220-1102 · Question #525

Which of the following is also known as something you know, something you have, and something you are?

The correct answer is B. MFA. 'Something you know, something you have, and something you are' refers to Multi-Factor Authentication (MFA), which combines different categories of authentication factors for enhanced security.

Security

Question

Which of the following is also known as something you know, something you have, and something you are?

Options

  • AACL
  • BMFA
  • CSMS
  • DNFC

How the community answered

(55 responses)
  • A
    2% (1)
  • B
    89% (49)
  • C
    4% (2)
  • D
    5% (3)

Why each option

'Something you know, something you have, and something you are' refers to Multi-Factor Authentication (MFA), which combines different categories of authentication factors for enhanced security.

AACL

An Access Control List (ACL) is a list of permissions attached to an object, defining who can access it and what operations they can perform, not an authentication method.

BMFACorrect

Multi-Factor Authentication (MFA) requires users to provide two or more verification factors from different categories to gain access. These categories are typically 'something you know' (e.g., password), 'something you have' (e.g., smart card, phone with authenticator app), and 'something you are' (e.g., fingerprint, facial recognition), significantly increasing security.

CSMS

SMS (Short Message Service) is a text messaging service, which can be used as a 'something you have' factor in MFA, but it is not MFA itself.

DNFC

NFC (Near Field Communication) is a set of communication protocols for communication between two electronic devices over a short distance, not an authentication method or concept itself.

Concept tested: Multi-Factor Authentication (MFA) principles

Source: https://learn.microsoft.com/en-us/azure/active-directory/authentication/concept-mfa-howitworks

Topics

#Multi-factor authentication#Authentication factors#Security concepts

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