Connections using point-to-point protocol authenticate using which of the following? (Select 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 threeway handshake.