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  • Question
  • On a class B network, how many hosts are available at each site with a subnet mask of 248?


  • Options
  • A. 16,382
  • B. 8,190
  • C. 4,094
  • D. 2,046
  • E. 1,022

  • Correct Answer
  • 2,046 


  • Networking problems


    Search Results


    • 1. Which of the following statement is incorrect?

    • Options
    • A. The Addresses Resolution Protocol, ARP, allows a host to find the physical address of a target host on the same physical network, given only the target IP address.
    • B. The sender's IP - to- physical address binding is included in every ARP broadcast; receivers update the IP-to-Physical address binding information in their cache before processing an ARP packet.
    • C. ARP is a low-level protocol that hides the underlying network physical addressing, permitting us to assign IP-addresses of our choice to every machine.
    • D. All of the above
    • E. None of the above
    • Discuss
    • 2. An anticipated result from multiprogramming operations is:

    • Options
    • A. reduced computer idle time
    • B. the handling of more jobs
    • C. better scheduling of work
    • D. All of the above
    • E. None of the above
    • Discuss
    • 3. HMP (Host Monitoring Protocol) is:

    • Options
    • A. a TCP/IP protocol used to dynamically bind a high level IP Address to a low-level physical hardware address
    • B. a TCP/IP high level protocol for transferring files from one machine to another.
    • C. a protocol used to monitor computers
    • D. a protocol that handles error and control messages
    • E. None of the above
    • Discuss
    • 4. What are the data transmission channels available for carrying data from one location to another?

    • Options
    • A. Narrowband
    • B. Voiceband
    • C. Broadband
    • D. All of the above
    • E. None of the above
    • Discuss
    • 5. The communication mode that supports two-way traffic but only one direction at a time is

    • Options
    • A. simplex
    • B. duplex
    • C. half duplex
    • D. multiplex
    • E. None of the above
    • Discuss
    • 6. Demodulation is the process of

    • Options
    • A. converting digital signals to analog signals
    • B. converting analog signals to digital signals
    • C. combining many low speed channels into one high speed channel
    • D. dividing the high-speed signals into frequency bands
    • E. None of the above
    • Discuss
    • 7. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 25 hosts and a maximum number of subnets?

    • 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
    • 8. What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?

    • Options
    • A. 16
    • B. 9
    • C. 8
    • D. 4
    • E. None of the above
    • Discuss
    • 9. FDDI is a

    • Options
    • A. ring network
    • B. star network
    • C. mesh network
    • D. bus based network
    • E. None of the above
    • Discuss
    • 10. If delays are recorded as 10 bit numbers in a 50 router network, and delay vectors are exchanged twice a second, how much bandwidth per fill duplex line is occupied by the distributed routing algorithm?

    • Options
    • A. 500 bps
    • B. 1500 bps
    • C. 5 bps
    • D. 1000 bps
    • Discuss


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