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Within the OSI model, at what layer are some of the SLIP, CSLIP, PPP control functions provided?
Correct Answer: A
RFC 1661 - The Point-to-Point Protocol (PPP) specifies that the Point-to- Point Protocol (PPP) provides a standard method for transporting multi-protocol datagrams over point-to-point links. PPP is comprised of three main components: 1 A method for encapsulating multi-protocol datagrams. 2 A Link Control Protocol (LCP) for establishing, configuring, and testing the data-link connection. 3 A family of Network Control Protocols (NCPs) for establishing and configuring different network-layer protocols.