All of the following are used for authentication except:
A) digital signatures.
B) certificates of authority.
C) biometric devices.
D) packet filters.

Question

Quizplus · Accepted Answer

Packet filters are used for controlling access to network resources based on source and/or destination IP address, protocol, and port number. They are not used for authentication. Digital signatures, certificates of authority, and biometric devices are all used for authentication.

All of the Following Are Used for Authentication Except