logo

CuriousTab

CuriousTab

Discussion


Home Computer Science Networking Comments

  • Question
  • Which of the following divides the high speed signal into frequency bands?


  • Options
  • A. t-switch
  • B. modem
  • C. frequency-division multiplexer
  • D. time-division multiplexer
  • E. None of the above

  • Correct Answer
  • frequency-division multiplexer 


  • Networking problems


    Search Results


    • 1. Identify the odd term amongst the following group:

    • Options
    • A. Coaxial cable
    • B. Optical fibre
    • C. Twisted pair wire
    • D. Microwaves
    • E. None of the above
    • Discuss
    • 2. The physical layer, in reference to the OSI model, defines

    • Options
    • A. data link procedures that provide for the exchange of data via frames that can be sent and received
    • B. the interface between the X.25 network and packet mode device
    • C. the virtual circuit interface to packet-switched service
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. You are working with a network that is 172.16.0.0 and would like to have the maximum number of hosts per subnet. This assumes support for eight subnets. What subnet mask should you use?

    • Options
    • A. 255.255.192.0
    • B. 255.255.224.0
    • C. 255.255.240.0
    • D. 255.255.248.0
    • E. 255.255.255.0
    • Discuss
    • 4. 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
    • 5. 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
    • 6. Messages from one computer terminal can be sent to another by using data networks. The message to be sent is converted to an electronic digital signal, transmitted via a cable, telephone or satellite and then converted back again at the receiving end. What is this system of sending messages called?

    • Options
    • A. Paperless office
    • B. Electronic mail
    • C. Global network
    • D. Electronic newspaper
    • E. None of the above
    • Discuss
    • 7. Which utility is useful for finding the local host name?

    • Options
    • A. NBTSTAT
    • B. Netstat
    • C. PING
    • D. Hostname
    • E. None of the above
    • Discuss
    • 8. Bandlimited signal is

    • Options
    • A. transmission of signals without modulation
    • B. a signal all of whose energy is contained within a finite frequency range
    • C. simultaneous transmission of data to a number of stations
    • D. All of the above
    • E. None of the above
    • Discuss
    • 9. What is the first octet range for a class C IP address?

    • Options
    • A. 192 - 255
    • B. 192 - 223
    • C. 192 - 226
    • D. 128 - 191
    • E. 1 - 126
    • Discuss
    • 10. How many class A, B, and C network IDs can exist?

    • Options
    • A. 2,113,658
    • B. 16,382
    • C. 126
    • D. 128
    • E. None of the above
    • Discuss


    Comments

    There are no comments.

Enter a new Comment