Networking Protocols and Layers Quiz
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Questions and Answers

Which layer of the OSI model does the application layer sit on top of?

  • Network
  • Data link
  • Transport (correct)
  • Physical
  • What type of data transfer is used by UDP?

  • Reliable, ordered
  • Reliable, unordered
  • Unreliable, ordered
  • Unreliable, unordered (correct)
  • What type of issue must be taken into account when designing a system that uses UDP?

  • Network latency
  • Network congestion (correct)
  • Network security
  • Network reliability
  • Study Notes

    • The application layer is an abstraction layer that sits on top of the transport layer.
    • Application layer protocols use the underlying transport layer protocols to establish host-to-host connections.
    • For example, World-Wide-Web servers operate on port 80, and email relay servers usually listen on port 25.
    • TCP is used for reliable, ordered data transfers, while UDP is used for less reliable, unordered data transfers.
    • UDP lacks built-in network congestion avoidance, and so must be carefully designed to prevent network collapse.

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    Description

    Test your knowledge of networking protocols and layers with this quiz. The quiz covers topics such as the application layer, transport layer, protocols, and network congestion avoidance.

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