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Which PPP subprotocol is used for establishing, configuring and testing the data link connection?
DLCI
LAPD
NCP
LAPF
LCP
Point-to-point protocol provides a method for transporting multi-protocol datagrams over point-to-point links. PPP uses two different subprotocols. 1. LCP (Link Control Protocol) - Used to establish, configure and test data link connections. 2. NCP (Network Control Protocol) - Used to establish and configure network layer protocols.
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