To counter threats to remote user authentication, systems generally rely on some form of ___________ protocol.
A) eavesdropping
B) Trojan horse
C) challenge-response
D) denial-of-service

Question

Quizplus · Accepted Answer

Challenge-response protocol is a secure authentication method for remote users that involves a challenge being sent by the system, and the user responding with the correct information. This helps to prevent eavesdropping and Trojan horse attacks, as the attacker would not have the correct response to the challenge. Denial-of-service attacks are also not prevented by challenge-response protocols.

To Counter Threats to Remote User Authentication, Systems Generally Rely