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:

Intracellular Microorganisms

Microorganisms that live within the cells of a host, often causing disease or infection.

Cell-Mediated

Referring to immune responses that do not involve antibodies but rather the activation of phagocytes and antigen-specific cytotoxic T-lymphocytes.

Antibody-Mediated

Refers to the immune response that involves the production of antibodies by B cells to target and neutralize foreign invaders like bacteria and viruses.

Red Blood Cells

The cells in blood that are primarily responsible for the transport of oxygen from the lungs to the tissues of the body.