What Is Two-Factor Authentication

question 16

Multiple Choice

What is two-factor authentication?

• A) The traditional security process, which requires a username and password.
• B) Requires the user to provide two means of authentication, what the user knows (password) and what the user has (security token).
• C) Requires more than two means of authentication such as what the user knows (password), what the user has (security token), and what the user is (biometric verification).
• D) The identification of a user based on physical characteristic such as a fingerprint, iris, face, voice or handwriting.

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Definitions:

Neuron

A specialized cell of the nervous system that receives and transmits messages.

Message

A piece of information or communication conveyed from one person or group to another.

Synaptic Cleft

The narrow gap between the terminal end of a neuron and the neighboring neuron or muscle cell, across which neurotransmitters travel.

Neural Impulses

Electrical signals that pass along the neurons, carrying messages to and from the brain to the rest of the body.