TCP/IP : Fundamentals And Protocols! Trivia Quiz

18 Questions | Total Attempts: 111

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TCP/IP : Fundamentals And Protocols! Trivia Quiz - Quiz

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Questions and Answers
  • 1. 
    A hub is connected to a switch port. Two PC's, PC1 and PC2 are connected to the hub. All the links are on ethernet communication. PC1 pings PC2. How many mac-address is learned on the switch port?
    • A. 

      1

    • B. 

      2

    • C. 

      3

    • D. 

      0

  • 2. 
    A PC that is connected to a switch port 1 is disconnected and connected to port 2. Which of the following is true w.r.t the above action?
    • A. 

      The mac-address of PC learned on port1 will be retained in the mac-address table

    • B. 

      The mac-address of PC will be learned on port 2 immediately after link is up

    • C. 

      Mac-address of PC will be removed from the mac-address table on disconnect from port 1

    • D. 

      Switch will add the mac-address learned on port 1 to internal buffer before disconnect.

  • 3. 
    A hub is connected to a switch port 1. A PC is connected to a hub. The PC on the hub communicates with servers residing on the switch. The PC is disconnected from the hub. Which of the following statements are true?
    • A. 

      The mac-address table w.r.t to port 1 of the switch will not be modified. Mac-address will be retained

    • B. 

      The mac-address table w.r.t to port 1 of the switch will be modified. Mac-address will be removed

    • C. 

      Link will be disabled on the switch

    • D. 

      Mac-address of the port of the hub will be added instead of the PC's mac-address.

  • 4. 
    What would happen if the source and destination mac-address in an ethernet frame received on a switch port are the same?
    • A. 

      The frame will be forwarded back to the source and a loop will be created

    • B. 

      The frame will be filtered and discarded.

    • C. 

      The frame will be broadcasted to all ports on the switch

    • D. 

      The frame will be routed

  • 5. 
    Which of the following fields in an Ethernet frame is not usually checked by a layer 2 switch unless destined for itself?
    • A. 

      Data

    • B. 

      Type

    • C. 

      Source- Mac-address

    • D. 

      Preamble

  • 6. 
    A 24 port switch receives a frame with destination mac-address unknown. To how many ports will the frame be flooded?
    • A. 

      23

    • B. 

      24

    • C. 

      1

    • D. 

      None of these

  • 7. 
    In an 802.1q encapsulated ethernet frame, which field contains the value of the upper layer protocol?
    • A. 

      Type field in the ethernet frame.

    • B. 

      TPID (Tag protocol identifier) in the 802.1q header in the ethernet frame.

    • C. 

      VID (VLAN identifier)in the 802.1q header in the ethernet frame

    • D. 

      CFI

  • 8. 
    A switch port operating in full-duplex mode is connected to a PC operating in half-duplex. What would be the effective duplex settings for communication?
    • A. 

      Full duplex

    • B. 

      Half Duplex

    • C. 

      Link will be up but communication would be unsuccessful.

    • D. 

      Link will not be established

  • 9. 
    Which form of switching can be used if the CRC value of the frame is to be calculated only by the destination?
    • A. 

      Cut through

    • B. 

      Store and forward

    • C. 

      Cut through without CRC check

    • D. 

      None of the above

  • 10. 
    In a LAN medium which uses the Canonical format which bit will be sent last for the mac-address 00-1b-78-ab-9f-99.
    • A. 

      The most significant bit of the first octet (00)

    • B. 

      The least significant bit of the first octet (00)

    • C. 

      The least significant bit of the last octet (99)

    • D. 

      The most significant bit of the last octet (99)

  • 11. 
    Two switches sw1 and sw2 are connected using two links ( port 5 and port 6 on sw1 is connected to port 5 and port 6 on sw2 respectively). If a PC on sw1 generates a broadcast frame, how many copies of the frame would be received back by sw1 on ports 5 and 6?
    • A. 

      None

    • B. 

      1

    • C. 

      2

    • D. 

      3

  • 12. 
    What would be the value of TYPE in an ethernet frame communicating in a TCP/IP environment in which the data is HTTP traffic?
    • A. 

      IP

    • B. 

      HTTP

    • C. 

      TCP

    • D. 

      6

  • 13. 
    PC1 communicates with another PC2 on the same segment of a switch. What is the destination mac-address in the frame if the mac-address of PC1 is 00-1b-78-ab-9f-90?
    • A. 

      The mac-address of PC2

    • B. 

      The mac-address of the default gateway configured on PC1

    • C. 

      The mac-address of the switch port on which PC1 is connected

    • D. 

      The mac-address of the switch

  • 14. 
    The mac-age time configured on the port of a switch is 5 minutes. A hub is connected to the port. PC1 and PC2 are connected to the hub. The mac-address of PC2 is added to the mac-address-table of the switch just before 2 minutes. Assuming no traffic has been triggered, after 2 minutes from start on both the PCs, What info would be displayed in the mac-address-table related to the port on the switch after 5 minutes?
    • A. 

      Mac-address of PC2

    • B. 

      Mac-address of PC2 and PC1

    • C. 

      None

    • D. 

      Mac-address of the hub port

  • 15. 
    If reliability is required at Layer 2, what should be implemented in the design?
    • A. 

      LLC - Type1

    • B. 

      LLC - Type 2

    • C. 

      Reliability at layer 2 is not possible

    • D. 

      Mac Layer

  • 16. 
    Which of the following offers a connectionless acknowledged service?
    • A. 

      LLC Type 1

    • B. 

      LLC Type 2

    • C. 

      LLC Type 3

    • D. 

      None of the above

  • 17. 
    A PC is connected to a 5 port ethernet hub operating at 100 Mbps. Other ports of the hub are free and not connected to any other devices. At what duplex setting can the hub operate?
    • A. 

      Half duplex only

    • B. 

      Since only the PC is on the hub, the hub will be forced to operate in full duplex

    • C. 

      Half or Full duplex

    • D. 

      None of the above

  • 18. 
    Which of the following devices does not have a mac-address?
    • A. 

      Access points

    • B. 

      Switches

    • C. 

      Routers

    • D. 

      None of the above

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