Question 17 (1 point) is a simple authentication protocol used in PPP that verif

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 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

Explanation / Answer

17.2 PAP - Password Authentication Protocol.

password Authentication Protocol (PAP) is a password-based authentication protocol used by Point to Point Protocol (PPP) to validate users. Almost all network operating system remote servers .

18.1Character-oriented protocol:

BYTE stuffing is used, where byte stuffing includes a special character called as ESC(escape character) added to the data.Upon receiving the data , the ESC character is removed.

19.3CRC(Cyclic Redundancy Check)

is a different approach to detect if the frame received contains valid data. This technique involves binary division of the data bits being sent and calculates the remainder. .

20.option 4 i.e three-way handshaking authentication protocal.

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