Question: Question 17 (1 point) is a simple authentication protocol used in PPP that verifies the validity of a user by usually a user name and

Question 17 (1 point) is a simple authentication protocol used in PPP that verifies the validity of a user by usually a user name and a password before accepting the connection. 1) CHAP 2) PAP 3) AP 4) PPP Save Question 18 (1 point) Byte stuffing is done in framing. 1) character oriented protocol 2) bit oriented protocol 3) data oriented protocol 4) flag oriented protocol Save Question 19 (1 point) When using Stop and Wait protocol, the is used to detect corrupted frames. 1) CEC 2) CDC 3) CRC 4) CIC Save Question 20 (1 point) CHAP is a that provides greater security than PAP 1) user authentication protocol 2) password authentication protocol 3) secret authentical protocol 4) three-way handshaki
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