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  • Question
  • A 2000-character text file has to be transmitted by using a 1,200 baud modem. Can you tell how long will it take?


  • Options
  • A. 2 seconds
  • B. 20 seconds
  • C. 120 seconds
  • D. 12 seconds
  • E. None of the above

  • Correct Answer
  • 20 seconds 


  • Networking problems


    Search Results


    • 1. You have a network ID of 134.57.0.0 with 8 subnets. You need to allow the largest possible number of host IDs per subnet. Which subnet mask should you assign?

    • Options
    • A. 255.255.224.0
    • B. 255.255.240.0
    • C. 255.255.248.0
    • D. 255.255.252.0
    • E. 255.255.255.255
    • Discuss
    • 2. The channel in the data communication model can be

    • Options
    • A. postal mail service
    • B. telephone lines
    • C. radio signals
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. How many pairs of stations can simultaneously communicate on Ethernet LAN?

    • Options
    • A. 1
    • B. 2
    • C. 3
    • D. multiple
    • E. None of the above
    • Discuss
    • 4. The loss in signal power as light travels down the fiber is called

    • Options
    • A. attenuation
    • B. propagation
    • C. scattering
    • D. interruption
    • E. None of the above
    • Discuss
    • 5. Terminals are used to

    • Options
    • A. collect data from the physical system
    • B. provide information for the manager
    • C. communicate management decisions to the physical system
    • D. All of the above
    • E. None of the above
    • Discuss
    • 6. Layer one of the OSI model is

    • Options
    • A. physical layer
    • B. link layer
    • C. transport layer
    • D. network layer
    • E. None of the above
    • Discuss
    • 7. When a host knows its physical address but not its IP address, it can use _____.

    • Options
    • A. RARP
    • B. ARP
    • C. IGMP
    • D. ICMP
    • E. None of the above
    • Discuss
    • 8. Most data communications involving telegraph lines use:

    • Options
    • A. simplex lines
    • B. wideband channels
    • C. narrowband channels
    • D. dialed service
    • E. None of the above
    • Discuss
    • 9. Which of the following files is used for NetBIOS name resolution?

    • Options
    • A. HOSTS
    • B. LMHOSTS
    • C. ARP
    • D. FQDN
    • E. None of the above
    • Discuss
    • 10. In OSI model, which of the following layer transforms information from machine format into that understandable by user

    • Options
    • A. application
    • B. presentation
    • C. session
    • D. physical
    • E. None of the above
    • Discuss


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