100-160 Exam Dumps | What is the main purpose of two-factor authentication (2FA)?

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Question 61/139

What is the main purpose of two-factor authentication (2FA)?

A. To provide multiple backup copies of critical data.

B. To ensure the confidentiality of data transmitted over a network.

C. To identify and classify potential security threats.

D. To prevent unauthorized access by requiring two different types of credentials.

Correct Answer: D

Two-factor authentication (2FA) is a security measure that adds an extra layer of protection to the authentication process. It requires users to provide two different types of credentials, usually something they know (e.g., a password) and something they possess (e.g., a unique code generated by a mobile app), making it more difficult for unauthorized individuals to gain access to systems or accounts.

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