Yunha and Zachariah Are Discussing the Authentication Protocol That They

Multiple Choice

Yunha and Zachariah are discussing the authentication protocol that they should be using in their VPN settings. Yunha says that they should be using CHAP, but Zachariah disagrees.
Which of the following is a possible reason for Zachariah's disagreement?

A) CHAP transmits unencrypted credentials during authentication.
B) CHAP has serious security flaws that make it easy to obtain the credentials.
C) CHAP can only be used with IKEv2.
D) CHAP allows multiple authentication methods to be integrated with the sign-in process.