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Computer Science :: Computer Networking

  1. Four routers have to be interconnected in a point-to-point Network. Each pair of root us may connected by a high-speed line, a medium speed line or a low speed line. Find the total number of topologies.

  2. A.

     12

    B.

     81

    C.

     48

    D.

     729

    E.

     ARP.EXE


  3. A network consists of eight NT servers. You are planning to move servers to different segments of your network, what utility should be used at each server to determine which server generates the most traffic?

  4. A.

     NBTSTAT

    B.

     NETSTAT.EXE

    C.

     Performance Monitor

    D.

     Network Monitor

    E.

     ARP.EXE


  5. Sending a file from your personal computer's primary memory or disk to another computer is called

  6. A.

     uploading

    B.

     downloading

    C.

     logging on

    D.

     hang on

    E.

     None of the above


  7. What is the name of the software package that allows people to send electronic mail along a network of computers and workstations?

  8. A.

     Memory resident package

    B.

     Project management package

    C.

     Data communication package

    D.

     Electronic mail package

    E.

     None of the above


  9. The communication mode that supports two-way traffic but only one direction at a time is

  10. A.

     simplex

    B.

     duplex

    C.

     half duplex

    D.

     multiplex

    E.

     None of the above


  11. HMP (Host Monitoring Protocol) is:

  12. A.

     a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address

    B.

     a TCP/IP high level protocol for transferring files from one machine to another.

    C.

     a protocol used to monitor computers

    D.

     a protocol that handles error and control messages

    E.

     None of the above


  13. Which of the following is a voiceband channel?

  14. A.

     Telephone line

    B.

     Telegraph line

    C.

     Coaxial cable

    D.

     Microwave systems

    E.

     None of the above


  15. A 8-Mbps token ring has a token holding timer value of 10 msec. What is the longest frame (assume header bits are negligible) that can be sent on this ring?

  16. A.

     8000 B frame

    B.

     80,000 B frame

    C.

     8 x 105 bit frame

    D.

     10,000 B frame


  17. Data are sent over pin _____ of the EIA-232 interface.

  18. A.

     2

    B.

     3

    C.

     4

    D.

     All of the above


  19. To connect a computer with a device in the same room, you might be likely to use

  20. A.

     a coaxial cable

    B.

     a dedicated line

    C.

     a ground station

    D.

     All of the above