Which of the following authenticate connections using point-to-point protocol? (Choose two.)

A.
RIPEMD

B.
PAP

C.
CHAP

D.
RC4

E.
Kerberos

Explanation:
B: A password authentication protocol (PAP) is an authentication protocol that uses a password. PAP is used
by Point to Point Protocol to validate users before allowing them access to server resources.
C: CHAP is an authentication scheme used by Point to Point Protocol (PPP) servers to validate the identity of
remote clients. CHAP periodically verifies the identity of the client by using a three-way handshake.