Multiple choice

Protocols are

  1. agreement on how to communicate between two systems

  2. logical communication channels used for transferring data

  3. physical communication channels used for transferring data

  4. none of these
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Protocols define standardized rules and conventions that enable two or more systems to communicate with each other. They specify format, timing, sequencing, and error control. Logical (B) and physical (C) channels are the media used, not the protocols themselves.

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