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CompTIA A+ 220-902

Category - Security

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What type of authentication uses a password then a pin sent to the user through a smartphone?

Encryption
Two-factor
Certification
Smart card

Explanation

Answer: B - Two-factor authentication uses a password then a pin sent to the user through a smartphone.

Two-factor can be used to eliminate hacked accounts from remote locations. Without the dynamic smartphone pin, the hacker is unable to log in to the system.

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