Which PPP LCP feature(s) provide(s) authentication?
A) PAP
B) CHAP
C) Multilink PPP
D) LQM
E) Magic number
F) Isolation bit
G) High water mark
A, B
Explanation: A) PAP/CHAP exchange names and passwords so that each device can verify the identity of the device on the other side of the link. CHAP is an authentication scheme that validates using a shared secret with a three-way handshake, while PAP is a clear text protocol.
B) PAP/CHAP exchange names and passwords so that each device can verify the identity of the device on the other side of the link. CHAP is an authentication scheme that validates using a shared secret with a three-way handshake, while PAP is a clear text protocol.
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