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  • Question
  • 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

  • Correct Answer
  • 255.255.240.0 


  • Networking problems


    Search Results


    • 1. 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
    • 2. 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
    • 3. 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
    • 4. 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
    • 5. 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
    • 6. 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
    • 7. 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
    • 8. 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
    • Discuss
    • 9. 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
    • 10. 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


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