Networking Concepts Quiz
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Questions and Answers

Which of the following is the process of breaking a message into packets, adding controls and other information, and then transmitting the message through the transmission medium?

  • Segmentation
  • Sequencing
  • Encapsulation (correct)
  • Transformation
  • What is the purpose of a frame check sequence (FCS) footer?

    Checksum error detection

    Which term does the OSI model use that's different from the TCP/IP model in reference to the terms frame, packet, and segment?

    Protocol data unit (PDU)

    Match each TCP/IP layer with its function:

    <p>Transport = Breaks the data into pieces Application = Prepares the data to be sent Link = Adds physical addresses Internet = Adds logical addresses</p> Signup and view all the answers

    Layer 2 source address:

    <p>080046987654</p> Signup and view all the answers

    Layer 3 source address:

    <p>192.168.10.12</p> Signup and view all the answers

    Layer 2 destination address:

    <p>000b5f2a2222</p> Signup and view all the answers

    Layer 3 destination address:

    <p>192.168.11.11</p> Signup and view all the answers

    What role does ARP play in the routing process?

    <p>If a router does not know a destination device's MAC address, it sends an ARP broadcast containing the destination device's IP address and requesting its MAC address.</p> Signup and view all the answers

    Routers use ARP to resolve known IP addresses into MAC addresses.

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

    If the source and destination network addresses reside on the same network, which protocol is used to determine the destination IP's MAC address?

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

    Which packet does Computer 2 send back after receiving a SYN packet from Computer 1?

    <p>SYN/ACK</p> Signup and view all the answers

    Study Notes

    Encapsulation and Packet Transmission

    • Encapsulation is the process of breaking a message into packets and adding controls and information for transmission through a medium.

    Frame Check Sequence (FCS)

    • The Frame Check Sequence (FCS) footer is used for checksum error detection to ensure data integrity during transmission.

    OSI versus TCP/IP Model

    • The OSI model uses the term Protocol Data Unit (PDU) to refer to data units, differing from the TCP/IP model terminology such as frame, packet, and segment.

    TCP/IP Layer Functions

    • Transport layer: Breaks data into pieces.
    • Application layer: Prepares data for sending.
    • Link layer: Adds physical addresses.
    • Internet layer: Adds logical addresses.

    Addressing in Networking

    • Workstation2 uses the following addresses to communicate with Workstation3:
      • Layer 2 source address: 080046987654
      • Layer 3 source address: 192.168.10.12
      • Layer 2 destination address: 000b5f2a2222
      • Layer 3 destination address: 192.168.11.11

    Routing Data via a Router

    • When Workstation3 sends data to the default gateway, the Cisco 2600 router uses:
      • Layer 2 source address: 000b5f2a2222
      • Layer 3 source address: 192.168.11.11
      • Layer 2 destination address: 080046987654
      • Layer 3 destination address: 192.168.10.12

    Role of ARP in Networking

    • ARP (Address Resolution Protocol) helps in the routing process when a router needs to know a destination device's MAC address. It sends a broadcast with the destination device's IP address requesting its MAC address.

    Address Resolution by Routers

    • Routers utilize ARP to resolve IP addresses into MAC addresses for proper data forwarding.

    Protocols for Address Determination

    • When source and destination network addresses are on the same network, ARP is used to determine the MAC address for the destination IP.

    TCP and Connection Establishment

    • TCP is a connection-oriented protocol that employs a three-way handshake to establish connections. The process involves:
      • Computer 1 sends a SYN packet to Computer 2.
      • Computer 2 responds with a SYN/ACK packet.

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    Description

    Test your knowledge on encapsulation, packet transmission, and the differences between the OSI and TCP/IP models. This quiz covers the functions of various TCP/IP layers and how addressing works in networking. Perfect for students learning about network protocols and communications.

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