CompTIA Security+ Question H-83

A security technician has been asked to recommend an authentication mechanism that will allow users to authenticate using a password that will only be valid for a predefined time interval. Which of the following should the security technician recommend?

A. CHAP
B. TOTP
C. HOTP
D. PAP

Answer: B

Explanation:
Time-based one-time password (TOTP) tokens are devices or applications that generate passwords at fixed time intervals. Therefore, the password will only be valid for a predefined time interval.