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Table Of Contents  CertiGuide to Network+
 9  Chapter 0100:  Network Protocols
      9  II  Protocol Suite Overview

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Protocols for Conversations

Suppose someone walks up to you and says, “Knock-knock.” The commonly-expected response to such a comment is, “Who’s there?”. This is an example of a simple protocol. If you had answered, “The sky is blue,” rather than “Who’s there?” communication between you and the other party would probably break down pretty quickly. The other party might wait silently, hoping that you’ll get around to saying “Who’s there?” so that they can tell their joke, or might look at you strangely and walk away, deciding they’d be better off telling their “Knock-knock” joke to someone else. On the other hand, if you answer with the, “Who’s there?” comment that is expected, the other person proceeds with “Ida Mae”, and waits for you to reply, “Ida Mae who?” before replying, “I’da maybe better learn more about TCP/IP before taking the Network+ exam.”


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Packet Fragmentation
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Protocol Suites
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