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  • Question
  • Which IP address class has few hosts per network?


  • Options
  • A. D
  • B. C
  • C. B
  • D. A
  • E. None of the above

  • Correct Answer



  • Networking problems


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    • 1. Data link layer retransmits the damaged frames in most networks. If the probability of a frame's being damaged is p, what is the mean number of transmissions required to send a frame if acknowledgements are never lost.

    • Options
    • A. P I (K + 1)
    • B. KIK (1 + F)
    • C. 1/ (1 - F)
    • D. K I (K - P)
    • E. None of the above
    • Discuss
    • 2. When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?

    • Options
    • A. Immediately
    • B. Only if the address fails
    • C. After the next host comes online
    • D. Within two minutes
    • E. None of the above
    • Discuss
    • 3. Four bits are used for packet sequence numbering in a sliding window protocol used in a computer network. What is the maximum window size?

    • Options
    • A. 4
    • B. 8
    • C. 15
    • D. 16
    • E. None of the above
    • Discuss
    • 4. Which of the following provides a storage mechanism for incoming mail but does not allow a user to download messages selectively?

    • Options
    • A. SMTP
    • B. DHCP
    • C. IMAP
    • D. POP3
    • Discuss
    • 5. You are working with a network that has the network ID 192.168.10.0. What subnet should you use that supports up to 12 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
    • 6. For connecting modem, a computer must be equipped with a port that conforms to the RS-232 standard of the Electronic Industries Association of America. What do the letters 'RS' stand for?

    • Options
    • A. Recognised standard
    • B. Random sequence
    • C. Recommended standard
    • D. Registered source
    • E. None of the above
    • Discuss
    • 7. In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and

    • Options
    • A. PC
    • B. synchronous port
    • C. crossover cable
    • D. asynchronous port
    • E. None of the above
    • Discuss
    • 8. What protocol is used between E-Mail servers?

    • Options
    • A. FTP
    • B. SMTP
    • C. SNMP
    • D. POP3
    • Discuss
    • 9. A hard copy would be prepared on a

    • Options
    • A. typewriter terminal
    • B. line printer
    • C. plotter
    • D. All of the above
    • E. None of the above
    • Discuss
    • 10. Which of the following specifies the network address and host address of the computer?

    • Options
    • A. The IP address
    • B. The TCP address
    • C. The subnet mask
    • D. The default gateway
    • E. None of the above
    • Discuss


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