Practice test

Data communication and networking - Test Set 1

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

    _________ is the most important/powerful computer in a typical network.
    1. Desktop
    2. Network station
    3. Network server
    4. Network client
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  2. Question 2

    A protocol is a set of rules governing a time sequence of events that must take place
    1. between peers
    2. between modems
    3. across an interface
    4. between an interface
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  3. Question 3

    ___________________ is the hardware device most essential to establishing communication between computers.
    1. Network Interface Card
    2. Network Information Card
    3. Net Interface Card
    4. Both (a) and (b)
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  4. Question 4

    WAN stands for
    1. Web Area Network
    2. World Area Network
    3. Worst Area Network
    4. Wide Area Network
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  5. Question 5

    WAN in the context of computers and networking stands for
    1. Wide Access Network
    2. World Access Network
    3. Wide Area Network
    4. WiFi Amended Network
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  6. Question 6

    LAN can use ________ architecture.
    1. peer-to-peer
    2. client and server
    3. Both (a) and (b)
    4. Neither (a) nor (b)
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  7. Question 7

    Which of the following types of computer networks uses satellite links to connect with other devices?
    1. Personal Area Network
    2. Corporate Area Network
    3. Local Area Network
    4. Wide Area Network
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  8. Question 8

    Which of the following is an advantage of LAN?
    1. Sharing peripherals
    2. Saving all your data
    3. Accessing the web
    4. Backing up your data
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  9. Question 9

    Which of the following network types is also termed a long-haul network?
    1. LAN
    2. WAN
    3. PAN
    4. TAN
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  10. Question 10

    The Internet is a group of interconnected computers across the globe. The Internet itself is a type of_______________.
    1. WAN
    2. LAN
    3. VPN
    4. MAN
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  11. Question 11

    A network of computers and other devices that are confined to a relatively small space is called
    1. Wide Area Network
    2. Global Network
    3. Peer-to-Peer Network
    4. Local Area Network
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  12. Question 12

    Which of the following network types covers the largest geographical area?
    1. MAN
    2. WAN
    3. PAN
    4. LAN
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  13. Question 13

    ___________ is a network located entirely on one site such as an office, school, or within a group of buildings that are in close area, that are connected together.
    1. LAN
    2. MAN
    3. PAN
    4. WAN
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  14. Question 14

    _______ is a computer network organized by an individual for personal use.
    1. Local Area Network (LAN)
    2. Metropolitan Area Network (MAN)
    3. Personal Area Network (PAN)
    4. Wide Area Network (WAN)
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  15. Question 15

    What is the use of a bridge in a network?
    1. To connect LANs
    2. To control network speed
    3. To separate LANs
    4. All of the above
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  16. Question 16

    A device operating at the physical layer is called a
    1. router
    2. bridge
    3. repeater
    4. All of these
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  17. Question 17

    Which of the following devices is used to regenerate and amplify signals?
    1. Hub
    2. Switch
    3. Bridge
    4. Repeater
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  18. Question 18

    In networking device MODEM, the process of converting digital data into analog data is called____________.
    1. transmission
    2. modulation
    3. demodulation
    4. iteration
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  19. Question 19

    Which of the following is the function of a modem?
    1. Converts data to voice and vice-versa
    2. Encryption and decryption
    3. Converts analog signals to digital signals and vice-versa
    4. Serves as a hardware antivirus
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  20. Question 20

    What is the primary function of a router in a network?
    1. Forwarding data packets between different networks.
    2. Managing user authentication and access control.
    3. Filtering and blocking incoming network traffic.
    4. Providing wireless connectivity to devices.
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