What is two-factor authentication’s promise?

A. If one authentication method is broken, the impostor will still not be able to authenticate himself or herself.
B. The impostor needs one method to work to be able to access a system
C. The two factors of authentication have to be similar
D. The user can pick any of the two authentication methods.


A. If one authentication method is broken, the impostor will still not be able to authenticate himself or herself.

Computer Science & Information Technology

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