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  1. What OSI layer handles logical address to logical name resolution?

  2. A.

     Transport

    B.

     Physical

    C.

     Presentation

    D.

     Data Link

    E.

     An alias for the computer name

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  3. The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

  4. A.

     A logical address that identifies the workstation

    B.

     A physical address that is randomly assigned each time the computer is started

    C.

     A physical address that is assigned by the manufacturer

    D.

     The logical domain address for the workstation

    E.

     An alias for the computer name

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

  6. A.

     TELNET

    B.

     FTP

    C.

     DNS

    D.

     All of the above

    E.

     None of the above

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

  8. 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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  9. A WATS arrangement

  10. 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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  11. A T-switch is used to

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

  14. A.

     Internet works

    B.

     The Internet

    C.

     Internet revolution

    D.

     Internet technologies

    E.

     None of the above

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  15. 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?

  16. A.

     Star

    B.

     Right

    C.

     Token-Ring

    D.

     Ethernet

    E.

     Bus

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

  18. A.

     application, presentation and session

    B.

     Session, transport and network

    C.

     physical datalink and network

    D.

     datalink, network and transport

    E.

     None of the above

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

  20. A.

     Amplitude modulation

    B.

     Frequency-division multiple access

    C.

     Frequency modulation

    D.

     Frequency-shift keying

    E.

     None of the above

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