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ADR-001 · Question #83

A developer is designing a very sensitive web application that will be accessed by both desktop web browsers and mobile Android applications. What is one way the developer can implement a…

The correct answer is C. Require a one-time-use code sent via an SMS message in addition to a username and password. See the full explanation below for the reasoning.

Question

A developer is designing a very sensitive web application that will be accessed by both desktop web browsers and mobile Android applications. What is one way the developer can implement a multi-factor authentication system for these users?

Options

  • AHave the user memorize a PIN in addition to their password and require them to supply both when
  • BHave the user answer a security question once they authenticate using their username and
  • CRequire a one-time-use code sent via an SMS message in addition to a username and password.
  • DHave the user supply their last password in addition to their current password when they attempt to

How the community answered

(56 responses)
  • A
    4% (2)
  • B
    5% (3)
  • C
    79% (44)
  • D
    13% (7)

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