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  • Question
  • The dialogue techniques for terminal use do not include


  • Options
  • A. questions and answers
  • B. open-ended questions
  • C. form fillings
  • D. menu display
  • E. None of the above

  • Correct Answer
  • open-ended questions 


  • Networking problems


    Search Results


    • 1. Distributed Queue Dual Bus is a standard for

    • Options
    • A. LAN
    • B. MAN
    • C. WAN
    • D. Wireless LAN.
    • E. LAN and MAN
    • Discuss
    • 2. Which of the following technique is used for Time-To-Line (TTL)?

    • Options
    • A. a technique used in best-effort delivery system to avoid endlessly looping packets.
    • B. a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
    • C. One of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. HDLC (High-level Data Link Control) is

    • Options
    • A. a method of determining which device has access to the transmission medium at any time
    • B. a method access control technique for multiple-access transmission media
    • C. a very common bit-oriented data link protocol issued by ISO.
    • D. network access standard for connecting stations to a circuit-switched network
    • E. None of the above
    • Discuss
    • 4. Establishing a virtual connection is functionally equivalent to

    • Options
    • A. Connecting as virtual memory
    • B. Physically connecting a DTE and DCE
    • C. Placing a telephone call prior to a conversation
    • D. Placing a modem prior to a conversation
    • E. None of the above
    • Discuss
    • 5. The signal to noise ratio for a voice grade line is 30.1 dB (decibels) or a power ratio of 1023:1. The maximum achievable data rate on this line whose spectrum ranges from 300 Hz to 4300 Hz is

    • Options
    • A. 6200 bps
    • B. 9600 bps
    • C. 34000 bps
    • D. 31000 bps
    • E. None of the above
    • Discuss
    • 6. Which of the following statement is incorrect?

    • Options
    • A. if a host moves from one network to another, its IP address must change
    • B. routing uses the network portion of the IP address, the path taken by packets travelling to a host with multiple IP addresses depends on the address used.
    • C. IP addresses encode both a network and a host on that network, they do not specify an individual machine, but a connection to a network.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. Which of the following is the address of the router?

    • Options
    • A. The IP address
    • B. The TCP address
    • C. The subnet mask
    • D. The default gateway
    • E. None of the above
    • Discuss
    • 8. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports four subnets and a maximum number of hosts?

    • Options
    • A. 255.255.255.192
    • B. 255.255.255.224
    • C. 255.255.255.240
    • D. 255.255.255.248
    • E. 255.255.255.252
    • Discuss
    • 9. A teleprocessing system may consist of

    • Options
    • A. user systems
    • B. communications systems
    • C. computer center systems
    • D. All of the above
    • E. None of the above
    • Discuss
    • 10. Many data communication networks have been established which provide a wealth of on-demand information services to people at home. What is the name of the system which provides an interactive, graphics-rich service that permits user to select what they want?

    • Options
    • A. Teletex system
    • B. Fax system
    • C. Videotex system
    • D. Microwave system
    • E. None of the above
    • Discuss


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