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PPP consists of ________components

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PPP consists of ________components

(a) Three (encapsulating, the Domain Name system)

(b) Three (encapsulating, a link control protocol, NCP)

(c) Two (a link control protocol, Simple Network Control protocol)

(d) One (Simple Network Control protocol)

This question was posed to me in a job interview.

The query is from PPP in division Point to Point Protocol & Error Detection of Computer Network

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Correct choice is (b) Three (encapsulating, a link control protocol, NCP)

Easiest explanation: PPP consists of three components namely Link Control Protocol (LCP), Network Control Protocol (NCP), and Encapsulation. LCP and NCP are the PPP protocols which provide interface for handling the capabilities of the connection/link on the network and encapsulation provides for multiplexing of different network-layer protocols.

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