Which of the following authentication protocols uses a 3-way authentication handshake?
A.
CHAP
B.
EAP
C.
Kerberos
D.
PAP
Explanation:
Answer A is correct; CHAP (Challenge Handshake Authentication Protocol) uses a 3-way authentication handshake.Incorrect Answers and Explanations: B, C, and D: Answers B, C, and D are incorrect. EAP is the Extensible Authentication Protocol, an authentication framework describing multiple authentication methods. Kerberos is a Single Sign On system which using tickets. PAP is the Password Authentication Protocol, which is simpler (and has less steps) than CHAP.
CHAP (Challenge Handshake Authentication Protocol) uses a 3-way authentication handshake.
EAP is the Extensible Authentication Protocol, an authentication framework describing multiple authentication methods.
Kerberos is a Single Sign On system which using tickets.
PAP is the Password Authentication Protocol, which is simpler (and has less steps) than CHAP.