Practice test

Data communication and networking - Test Set 5

Review 20 exam-focused questions with detailed explanations, then start the interactive test when you are ready.

20 questions

Questions and explanations

  1. Question 1

    Which of the following is the component of coaxial cables used in computer networking?
    1. Core
    2. Plastic jacket
    3. Cladding
    4. Copper conductor
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  2. Question 2

    Which of the following is a term associated with networks?
    1. Mouse
    2. MS-Excel
    3. Connectivity
    4. Word
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  3. Question 3

    Which of the following resources is most likely to be a shared common resource in a computer network?
    1. Printers
    2. Floppy disk drives
    3. Speakers
    4. Keyboards
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  4. Question 4

    The first network that planted the seeds of the Internet was
    1. NSFnet
    2. V-net
    3. I-net
    4. ARPANET
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  5. Question 5

    The process of connecting computers on a communication system is known as
    1. processing
    2. networking
    3. compiling
    4. hosting
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  6. Question 6

    What do you mean by broadcasting in networking?
    1. Addressing a packet to all machines.
    2. Addressing a packet to some machines.
    3. Addressing a packet to a particular machine.
    4. Addressing a packet to all machines, except a particular machine.
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  7. Question 7

    What is data communication?
    1. Transfer of data between devices using a communication medium
    2. Transmission of data over long distances without a medium
    3. Processing of data into meaningful information
    4. Storage of data in a database
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  8. Question 8

    What is the term for the path taken by data from sender to receiver?
    1. Transmission mode
    2. Data link
    3. Communication channel
    4. Transmission protocol
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  9. Question 9

    The term latency in data communication refers to
    1. the speed of data transmission
    2. the amount of data lost during transmission
    3. the capacity of the communication channel
    4. the delay between data being sent and received
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  10. Question 10

    ____________ is the bit-rate of available or consumed information capacity expressed typically in metric multiple of bits per second.
    1. Frequency
    2. Bandwidth
    3. Protocol
    4. Speed
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  11. Question 11

    What is delay in a communication over a network called?
    1. Latency
    2. Frequency
    3. Throughput
    4. Turnaround time
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  12. Question 12

    Bandwidth refers to
    1. the amount of information a peer-to-peer network can store
    2. the cost of the cable required to implement a WAN
    3. the cost of the cable required to implement a LAN
    4. the amount of information a communication medium can transfer in a given amount of time
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  13. Question 13

    In computer networks, a process of recovering signal containing multiple analog or digital signal streams back into the original separate and unrelated signals is called _________.
    1. encoding
    2. demultiplexing
    3. multiplexing
    4. decoding
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  14. Question 14

    Protocols are set of rules to govern ____________.
    1. communication
    2. bandwidth
    3. metropolitan communication
    4. standard
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  15. Question 15

    Which of the following is not a component of a data communication system?
    1. Sender
    2. Transmission medium
    3. Receiver
    4. Operating system
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  16. Question 16

    What is the role of the sender in data communication?
    1. To store data temporarily
    2. To transmit data to the receiver
    3. To receive data from the source
    4. To convert data into binary form
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  17. Question 17

    In a data communication system, the receiver is responsible for
    1. converting the data into signals
    2. storing transmitted data
    3. accepting and interpreting the transmitted message
    4. sending acknowledgment to the sender
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  18. Question 18

    Which of the following can act as a transmission medium in data communication?
    1. Fiber optic cable
    2. Radio waves
    3. Copper wire
    4. All of the above
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  19. Question 19

    In which of the following modes of data transmission can the data flow in both directions but in only one direction at a time?
    1. Half duplex
    2. Full duplex
    3. Simplex
    4. Quarter duplex
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  20. Question 20

    In which one of the following, the early FM push to talk telephone system, was used?
    1. Full duplex
    2. Simple duplex
    3. Half duplex
    4. None of these
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