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  • Question
  • In a synchronous modem, the receive equalizer is known as


  • Options
  • A. adaptive equalizer
  • B. impairment equalizer
  • C. statistical equalizer
  • D. compromise equalizer
  • E. None of the above

  • Correct Answer
  • adaptive equalizer 


  • Networking problems


    Search Results


    • 1. Which of the following best describes the scopes on each DHCP server, in the absence of configuration problems with DHCP addresses, if you use multiple DHCP servers in your environment?

    • Options
    • A. Unique to that subnet only
    • B. For different subnets
    • C. For no more than two subnets
    • D. For no subnets
    • E. None of the above
    • Discuss
    • 2. Which of the following allows devices on one network to communicate with devices on another network?

    • Options
    • A. multiplexer
    • B. gateway
    • C. t-switch
    • D. modern
    • E. None of the above
    • Discuss
    • 3. The physical layer of a network

    • Options
    • A. defines the electrical characteristics of signals passed between the computer and communication devices
    • B. controls error detection and correction
    • C. constructs packets of data and sends them across the network
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. A network designer wants to connect 5 routers as point-to-point simplex line. Then the total number of lines required would be

    • Options
    • A. 5
    • B. 10
    • C. 20
    • D. 32
    • E. None of the above
    • Discuss
    • 5. To avoid transmission errors, a check figure is calculated by the

    • Options
    • A. transmitting computer
    • B. receiving computer
    • C. both (a) and (b)
    • D. Start and stop bit
    • E. None of the above
    • Discuss
    • 6. To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing

    • Options
    • A. communication systems
    • B. multiprogramming systems
    • C. virtual storage systems
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. A batch processing terminal would not include a

    • Options
    • A. CPU
    • B. card reader
    • C. card punch
    • D. line printer
    • E. None of the above
    • Discuss
    • 8. What operates in the Data Link and the Network layer?

    • Options
    • A. NIC
    • B. Bridge
    • C. Brouter
    • D. Router
    • E. None of the above
    • Discuss
    • 9. What is the first octet range for a class B IP address?

    • Options
    • A. 128 - 255
    • B. 1 - 127
    • C. 192 - 223
    • D. 128 - 191
    • E. 127 - 191
    • Discuss
    • 10. Which of the following statement is incorrect?

    • Options
    • A. The CCITT Recommendation X.25 specifies three layers of communication: physical, link and network.
    • B. The second layer of communication is the data-link layer
    • C. Errors in the physical layer can be detected by the data link layer
    • D. The fourth layer, in reference to the OSI model, is the session layer
    • E. None of the above
    • Discuss


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