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  • Question
  • If odd parity is used for ASCII error detection, the number of 0s per eight-bit symbol is _____.


  • Options
  • A. even
  • B. odd
  • C. indeterminate
  • D. 42

  • Correct Answer
  • odd 


  • Networking problems


    Search Results


    • 1. Number of bits per symbol used in Baudot code is

    • Options
    • A. 1
    • B. 5
    • C. 8
    • D. 9
    • E. None of the above
    • Discuss
    • 2. Synchronous protocols

    • Options
    • A. transmit characters one at a time
    • B. allow faster transmission than asynchronous protocols do
    • C. are generally used by personal computers
    • D. are more reliable
    • E. None of the above
    • Discuss
    • 3. To set up a bulletin board system you need

    • Options
    • A. a smart modem with auto-answer capabilities
    • B. a telephone line
    • C. a personal computer
    • D. All of the above
    • E. None of the above
    • Discuss
    • 4. Who originally designed TCP/IP?

    • Options
    • A. The Department of Defense
    • B. Novell
    • C. IBM
    • D. Xerox
    • Discuss
    • 5. A modulator converts a _____ signal to a(n) _____ signal.

    • Options
    • A. FSK; PSK
    • B. PSK; FSK
    • C. analog; digital
    • D. digital; analog
    • E. None of the above
    • Discuss
    • 6. An example of a medium-speed, switched communications service is

    • Options
    • A. Series 1000
    • B. Dataphone 50
    • C. DDD
    • D. All of the above
    • E. None of the above
    • Discuss
    • 7. What is the maximum number of entries in the HOSTS file?

    • Options
    • A. 8
    • B. 255
    • C. 500
    • D. Unlimited
    • E. None of the above
    • Discuss
    • 8. Which of the following medium is used for broadband local networks?

    • Options
    • A. Coaxial cable
    • B. optic fiber
    • C. CATV
    • D. UTP
    • E. None of the above
    • Discuss
    • 9. The birthplace of the World Wide Web is considered to be

    • Options
    • A. the Department of Defense
    • B. CERN
    • C. ARPA
    • D. Netscape
    • E. None of the above
    • Discuss
    • 10. The Token-Ring architecture was developed for a more efficient way to determine who should be transmitting at any one time. With Ethernet, collisions may take place, causing the transmitting computers to have to retransmit their data. The use of token guarantees that only one computer can transmit at a time. What happens as the network increases in size? Choose the best answer

    • Options
    • A. An additional token is added for every 1,000 nodes
    • B. The speed of the Token-Ring network must be 16Mbps if the number of nodes is greater then 500
    • C. The network becomes less efficient
    • D. After the number of nodes exceeds 550, the Multistation Access Unit must be replaced by the more powerful Hyperstation Unified Bandwidth device
    • E. The network becomes more efficient
    • Discuss


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