In two factor authentication, two independent authentication mechanisms are used to obtain access. Which of the following describes two factor authentication?Ask for a username, a password and a second passwordAsk for a username, a password and a fingerprintAsk for a username, a password and a puzzle that only humans can resolveAsk for a username and a password in two elements and is therefore a predefined two factor standard.
Question
In two factor authentication, two independent authentication mechanisms are used to obtain access. Which of the following describes two factor authentication?Ask for a username, a password and a second passwordAsk for a username, a password and a fingerprintAsk for a username, a password and a puzzle that only humans can resolveAsk for a username and a password in two elements and is therefore a predefined two factor standard.
Solution
The correct answer is: Ask for a username, a password and a fingerprint.
Two-factor authentication (2FA) refers to the use of two different types of identification to verify a user's identity. This typically involves something the user knows (like a password) and something the user has (like a fingerprint).
The first option, asking for a username, a password and a second password, is not considered two-factor authentication because both methods of verification are the same type (something the user knows).
The third option, asking for a username, a password and a puzzle that only humans can resolve, could be considered a form of two-factor authentication, but it's not a common or standard method.
The fourth option, asking for a username and a password in two elements, is not two-factor authentication because it's still only using
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