What is the purpose of LCP?
A.
to perform authentication
B.
to negotiate control options
C.
to encapsulate multiple protocols
D.
to specify asynchronous versus synchronous
Explanation:
Link Control Protocol http://www.ietf.org/rfc/rfc1661.txt
In order to be sufficiently versatile to be portable to a wide variety of environments, PPP provides a
Link Control Protocol (LCP). The LCP is used to automatically agree upon the encapsulation format
options, handle varying limits on sizes of packets, detect a looped-back link and other common
misconfiguration errors, and terminate the link. Other optional facilities provided are authenticationof the identity of its peer on the link, and determination when a link is functioning properly and
when it is failing.
Correct Answer:
B. Link Control Protocol (LCP) is used to automatically agree upon the encapsulation format options, handle varying limits on sizes of packets, detect a looped-back link and other common misconfiguration errors, and terminate the link.
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