There are 2 types of PPP authentication supported by the Cisco
IOS. What are they?
A.) PAP
B.) PREDICTOR
C.) MD5
D.) CHAP
E.) STACKER
F.) MSCHAP
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Answer / guest
Answer: A D
Router(config-if)#ppp authentication ?
chap Challenge Handshake Authentication Protocol (CHAP)
pap Password Authentication Protocol (PAP)
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CCNA 
