A

Admin • 831.35K Points
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Q. Which of these is a two-factor authentication method?

  • (A) Username and password
  • (B) Password and security question
  • (C) Password and OTP sent via SMS
  • (D) Password only
  • Correct Answer - Option(C)
  • Views: 15
  • Filed under category Cyber Security
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Explanation by: Admin
Two-factor authentication uses two separate factors like a password and a one-time code for stronger security.

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