What is the purpose of LCP?

The correct answer is B. to negotiate control options. LCP (Link Control Protocol) is a sublayer of PPP responsible for establishing, configuring, and testing the data-link connection. Its primary purpose is to negotiate control options between the two PPP endpoints - such as the maximum transmission unit (MTU), authentication…

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Question

What is the purpose of LCP?

Options

Ato perform authentication
Bto negotiate control options
Cto encapsulate multiple protocols
Dto specify asynchronous versus synchronous

How the community answered

(35 responses)

A
3% (1)
B
89% (31)
C
6% (2)
D
3% (1)

Explanation

LCP (Link Control Protocol) is a sublayer of PPP responsible for establishing, configuring, and testing the data-link connection. Its primary purpose is to negotiate control options between the two PPP endpoints - such as the maximum transmission unit (MTU), authentication method (PAP or CHAP), compression, and multilink options. While LCP negotiates which authentication protocol to use, the actual authentication is carried out by the chosen authentication protocol (PAP or CHAP), not LCP itself.

Topics

#LCP#PPP#WAN protocols#link negotiation

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