Multiple choice

Which of the following protocols is most commonly used to connect dialup users to their ISPs?

  1. PPP

  2. TCP/IP

  3. IPX

  4. SLIP
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A Correct answer
Explanation

PPP (Point-to-Point Protocol) became the standard for dial-up connections because it offers better error correction, authentication, and data compression compared to older protocols like SLIP. While TCP/IP runs over PPP, PPP itself handles the dial-up connection establishment.

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