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MCQs

Total Questions : 885 | Page 13 of 89 pages
Question 121. What is the minimum number of wires needed to send data over a serial communication link layer?
  1.    2
  2.    1
  3.    4
  4.    6
  5.    none of above
 Discuss Question
Answer: Option B. -> 1
Answer: (b)
Question 122. Communication circuits that transmit data in both directions but not at the same time are operating in
  1.    a simplex mode
  2.    all the options
  3.    a full duplex mode
  4.    a half duplex mode
  5.    an asynchronous mode
 Discuss Question
Answer: Option D. -> a half duplex mode
Answer: (d)
Question 123. Which of the following is considered a broad band communication channel?
  1.    coaxial cable
  2.    fiber optics cable
  3.    all of above
  4.    microwave circuits
 Discuss Question
Answer: Option C. -> all of above
Answer: (c)
Question 124. Computer connected to a LAN {Local Area Network) can
  1.    share information and/or share peripheral equipment
  2.    go on line
  3.    run faster
  4.    E-mail
  5.    None of these
 Discuss Question
Answer: Option A. -> share information and/or share peripheral equipment
Answer: (a)
Question 125. Which of the following refers to a small, single site network?
  1.    CPJ
  2.    DSL
  3.    RAM
  4.    USB
  5.    LAN
 Discuss Question
Answer: Option E. -> LAN
Answer: (e)
Question 126. The synchronous modems are more costly than the asynchronous modems because
  1.    they contain clock recovery circuits
  2.    they produce large volume of data
  3.    they transmit the data with stop and start bits
  4.    they operate with a larger bandwidth
  5.    none of above
 Discuss Question
Answer: Option A. -> they contain clock recovery circuits
Answer: (a)
Question 127. Which of the following terms is just the connection of networks that can be joined together?
  1.    Virtual private network
  2.    Internet
  3.    None of these
  4.    Extranct
  5.    Intranet
 Discuss Question
Answer: Option E. -> Intranet
Answer: (e)
Question 128. A remote batch-processing I operation in which data is solely input to a central computer would require
  1.    telegraph line
  2.    none of the above
  3.    mixed bad channel
  4.    all of above
  5.    simplex lines
 Discuss Question
Answer: Option E. -> simplex lines
Answer: (e)
Question 129. An alternate name for the completely interconnected network topology is
  1.    Mesh
  2.    Star
  3.    Tree
  4.    Ring
 Discuss Question
Answer: Option A. -> Mesh
Answer: (a)
Question 130. Several computers linked to a server to share programs and storage space.
  1.    Network
  2.    grouping
  3.    library
  4.    integrated system
  5.    None of the above
 Discuss Question
Answer: Option A. -> Network
Answer: (a)

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