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You are here: Home / ICND2 / Day 42 – Frame Relay and PPP / Day 42 Tasks / PPP Operations

PPP Operations

PPP is considered an Internet-friendly protocol due to the following factors:

  • It supports data compression
  • Authentication is built in (PAP and CHAP)
  • Network Layer address negotiation
  • Error detection

You can use PPP over several connection types, including the following:

  • DSL
  • ISDN
  • Synchronous and asynchronous links
  • HSSI

PPP can be broken down into the following Layer 2 sublayers:

  • NCP – establishes Network Layer protocols (serves the Network Layer)
  • LCP – establishes, authenticates, and tests link quality (serves the . . .

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