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Hour 8. Dial-Up TCP/IP

What You'll Learn in This Hour:

  • Point-to-point connections

  • SLIP

  • PPP

One of the most popular methods for connecting to a TCP/IP network is a dial-up connection through a telephone line, or POTS (plain old telephone service). Dial-up networking is not as dominant as it was a few years ago, because of the arrival of broadband networking technologies, but dial-up connections are still common for travelers and many home users. This hour introduces modems and TCP/IP modem connectivity. You'll also learn about the two important TCP/IP dial-up networking protocols: Serial Line Internet Protocol (SLIP) and Point-to-Point Protocol (PPP).

At the completion of this hour, you'll be able to

  • Describe a point-to-point connection

  • Describe why dial-up protocols are different from LAN-based network protocols

  • Describe the difference between early host dial-up access and today's SLIP and PPP access

  • Describe the SLIP data format

  • Describe SLIP's characteristics

  • List the components that make up PPP

  • Describe PPP data format

  • Describe PPP characteristics

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