The three classic ways of authenticating yourself to the computer security software are: something you know, something you have, and something:
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A. B. C. D.C.
Source: TIPTON, Hal, (ISC)2, Introduction to the CISSP Exam presentation.
The three classic ways of authenticating yourself to computer security software are often referred to as the "three factors of authentication" and they are:
Something you know: This factor refers to information that only the user knows, such as a password, a PIN, or answers to security questions. This is the most common form of authentication and is used in almost all computer systems.
Something you have: This factor refers to a physical object that the user possesses, such as a smart card, a USB token, or a security token. The object is used to authenticate the user's identity and is often used in conjunction with a PIN or password.
Something you are: This factor refers to a unique physical characteristic of the user, such as a fingerprint, a retina scan, or facial recognition. Biometric authentication is becoming increasingly popular due to its convenience and accuracy.
The correct answer to the question is C. you are. Biometric authentication is based on something you are, which refers to the unique physical characteristics of the user. This form of authentication is becoming more common in modern computer systems and is often used in conjunction with other forms of authentication to provide a higher level of security.