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Test Yourself

Multiple Choice

  1. Which of the following are layers of the OSI/ISO 7-layer reference model? Choose three.

    1. Session layer
    2. Application layer
    3. Semblance layer
    4. Service layer
    5. Presentation layer
  2. Which of the following are layers of the TCP/IP 5-layer model? Choose three.

    1. Transmit layer
    2. Physical layer
    3. Transient layer
    4. Transport layer
    5. Internet layer
  3. At which layer of the TCP/IP 5-layer model does Ethernet function?

    1. Application layer
    2. Transport layer
    3. Internet layer
    4. Network Interface layer
    5. Physical layer
  4. At which layer of the TCP/IP 5-layer model does the UDP protocol function?

    1. Application layer
    2. Transport layer
    3. Internet layer
    4. Network layer
    5. Physical layer
  5. What does the acronym UDP mean?

    1. User Distance Protocol
    2. Uniform Data Protocol
    3. United Datagram Protocol
    4. User Datagram Protocol
    5. Ultimate Datagram Protocol
  6. What does the acronym TCP mean?

    1. Transport Control Protocol
    2. Transmission Counter Protocol
    3. Transmission Control Protocol
    4. Transport Concert Protocol
    5. Transmission Count Protocol
  7. Which word describes communicating layers across hosts that are at the same layer within the stack?

    1. partners
    2. peerers
    3. primers
    4. peers
    5. players
  8. Which protocol is ICMP encapsulated in?

    1. TCP
    2. IP
    3. UDP
    4. ARP
    5. RARP
  9. What is the size of the UDP header in bytes?

    1. 10
    2. 20
    3. 12
    4. 4
    5. 8
  10. What is the minimum size of the IPv4 header in bytes?

    1. 20
    2. 18
    3. 12
    4. 40
    5. 25

Free Response

  1. State in your own words three advantages of modularizing the design of network protocols.

  2. List the similarities and differences between IP and UDP as protocols.

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