Respuesta :

This is an example of multi-factor authentication.

In the field of computer studies, we can describe multi-factor authentication as a method of type security method in which a user has to pass two or more authentication processes in order to get logged into something.

A multi-factor authentication method provides advanced-level security to a user.

One example of multi-factor authentication is that when logging into your account, you will be asked to provide a PIN that is sent as a message or e-mail to another of your linked account, along with the password.

Using just a password might be vulnerable in places where extreme security is required. Multi-factor authentication provides better security in such a case.

To learn more about multi-factor authentication, click here:

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