NSE 6 – FortiAuthenticator 6.4 — Question 27

Which of the following is an OATH-based standard to generate event-based, one-time password tokens?

Answer options

• A. HOTP
• B. SOTP
• C. TOTP
• D. OLTP

Correct answer: A

Explanation

HOTP is an OATH-based standard that generates one-time passwords based on a counter value, making it event-based. The other options, SOTP and OLTP, are not recognized standards for generating one-time passwords, while TOTP is time-based and not event-based.