Which of the following is a password system that’s based on tokens and uses a challenge-response mechanism?
A. Synchronous token system
B. Asynchronous token system
C. One-time token system
D. Time-base token system
Which of the following is a password system that’s based on tokens and uses a challenge-response mechanism?
A. Synchronous token system
B. Asynchronous token system
C. One-time token system
D. Time-base token system