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CSE :: Networking

  1. Which of the following is an example of a client-server model?

  2. A.
    TELNET
    B.
    FTP
    C.
    DNS
    D.
    All of the above
    E.
    None of the above

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  3. In CRC there is no error if the remainder at the receiver is _____.

  4. A.
    the quotient at the sender
    B.
    nonzero
    C.
    zero
    D.
    equal to the remainder at the sender
    E.
    None of the above.

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  5. A WATS arrangement

  6. A.
    is always less expensive than flat-rate service
    B.
    is less expensive than flat-rate service only when the number of calls is large and the duration of each is short
    C.
    is less expensive than flat-rate service only when the number of calls is small and the duration of each is long
    D.
    is never less expensive than flat-rate service
    E.
    None of the above

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  7. A T-switch is used to

  8. A.
    control how messages are passed between computers
    B.
    echo every character that is received
    C.
    transmit characters one at a time
    D.
    rearrange the connections between computing equipment
    E.
    None of the above

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  9. A global network of millions of business, government, educational, and research networks; computer systems; database; and end users. Select the best fit for answer:

  10. A.
    Internet works
    B.
    The Internet
    C.
    Internet revolution
    D.
    Internet technologies
    E.
    None of the above

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  11. Alice is setting up a small network in her home so that she can study for her MCSE exams. She doesn't have a lot of money to spend on hardware, so she wants to use a network topology that requires the least amount of hardware possible. Which topology should she select?

  12. A.
    Star
    B.
    Right
    C.
    Token-Ring
    D.
    Ethernet
    E.
    Bus

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  13. The CCITT Recommendation X.25 specifies three layers of communications:

  14. A.
    application, presentation and session
    B.
    Session, transport and network
    C.
    physical datalink and network
    D.
    datalink, network and transport

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  15. Which of the following technique is used for allocating capacity on a satellite channel using fixed-assignment FDM?

  16. A.
    Amplitude modulation
    B.
    Frequency-division multiple access
    C.
    Frequency modulation
    D.
    Frequency-shift keying
    E.
    None of the above

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  17. The amount of uncertainty in a system of symbol is called

  18. A.
    Bandwidth
    B.
    Entropy
    C.
    loss
    D.
    Quantum
    E.
    None of the above

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  19. Which of the following allows a simple email service and is responsible for moving messages from one mail server to another?

  20. A.
    IMAP
    B.
    DHCP
    C.
    SMTP
    D.
    FTP
    E.
    POP3

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