Computer Networks Lecture 7: Transport Layer and Network Layer Protocols
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Questions and Answers

Which type of transport layer protocol establishes a dedicated connection between devices before transmitting data?

  • Transport control protocols
  • Connectionless protocols
  • Connection-oriented protocols (correct)
  • Multiplexing protocols
  • What is a key feature of TCP (Transmission Control Protocol)?

  • No congestion control
  • Ordered delivery of data segments (correct)
  • No flow control
  • Unreliable data transfer
  • Which feature is NOT available in both UDP and TCP?

  • Security of data transfer (correct)
  • Flow control
  • Determined delay guarantees
  • Determined bandwidth guarantees
  • What is the process of delivering the received segments to the correct application layer processes using header information called?

    <p>Demultiplexing</p> Signup and view all the answers

    Which protocol sends each packet as an independent unit and transmits them separately?

    <p>Connectionless protocols</p> Signup and view all the answers

    What type of protocols use a handshake process to establish the connection between devices?

    <p>Connection-oriented protocols</p> Signup and view all the answers

    What is a feature of UDP (User Datagram Protocol)?

    <p>Reliable data transfer</p> Signup and view all the answers

    What is the technique of collecting messages from multiple sockets at the sender's side and adding transport layer info called?

    <p><strong>Multiplexing</strong></p> Signup and view all the answers

    Multiplexing is done by covering data messages with transport layer info, and each segment has what?

    <p><strong>Source IP</strong></p> Signup and view all the answers

    Which layer is responsible for providing logical communication between application processes running on different hosts?

    <p>Transport layer</p> Signup and view all the answers

    At the sender side, what does the transport layer do with the application messages?

    <p>Breaks them into segments then passes them to the network layer</p> Signup and view all the answers

    Which protocol provides connectionless and unreliable transport at the transport layer?

    <p>UDP</p> Signup and view all the answers

    What is the responsibility of the network layer?

    <p>Communication between hosts</p> Signup and view all the answers

    Which feature is not a functionality of the transport layer?

    <p>Checksum for error detection</p> Signup and view all the answers

    What type of transport does TCP provide at the transport layer?

    <p>Connection-oriented reliable transport</p> Signup and view all the answers

    What process does the receiver side of the transport layer perform?

    <p>Reassembles received segments into messages then passes them to the application layer</p> Signup and view all the answers

    Which layer is responsible for data transfer between processes?

    <p>Transport layer</p> Signup and view all the answers

    What does UDP stand for in relation to its functionality at the transport layer?

    <p>User Datagram Protocol</p> Signup and view all the answers

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