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What part of PPP is used to carry packets from several layer 3 protocol suites?
NCP
PPoE
STP
LCP
The PPP session establishment has three phases. The first step (phase) in PPP session establishment is Link Establisment where LCP (Link Control Protocol) packets are sent. The second phase, Authentication Phase, is optional. PPP supports CHAP and PAP authentication protocols. The third phase is the NCP (Network Control Protocol). In this phase, NCP packets are sent in order to choose which Layer 3 protocol to use.
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