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MCQs

Total Questions : 885 | Page 18 of 89 pages
Question 171. Maximum data rate of a channel for a noiseless 3-kHz binary channel is
  1.    None of these
  2.    3000bps
  3.    1500 bps
  4.    6000 bps
 Discuss Question
Answer: Option D. -> 6000 bps
Question 172. In session layer, during data transfer, the data stream responsible for the "control" purpose (i.e control of the session layer itself) is
  1.    Typed data
  2.    Expedited Data
  3.    Capability Data
  4.    Regular Data
 Discuss Question
Answer: Option C. -> Capability Data
Question 173. A high speed communication equipment typically would not be needed for
  1.    E-mail
  2.    Supporting communication between nodes in a LAN
  3.    Transferring large volume of data
  4.    All of these
 Discuss Question
Answer: Option A. -> E-mail
Question 174. The ________ measures the number of lost or garbled messages as a fraction of the total sent in the sampling period.
  1.    Connection establish.
  2.    Residual Error Rate.
  3.    Transfer Failure Probability.
  4.    Connection release failure probability.
 Discuss Question
Answer: Option B. -> Residual Error Rate.
Question 175. In a broad Sense, a railway track is an example of
  1.    All of these
  2.    Half Duplex
  3.    Full Duplex
  4.    Simplex
 Discuss Question
Answer: Option B. -> Half Duplex
Question 176. The Network topology that supports bi-directional links between each possible node is
  1.    Ring
  2.    Mesh
  3.    Tree
  4.    Star
 Discuss Question
Answer: Option B. -> Mesh
Question 177. Which of the following is not a field in the Ethernet Message packet?
  1.    Pin-code
  2.    Address
  3.    Type
  4.    Data
 Discuss Question
Answer: Option A. -> Pin-code
Question 178. Which network has connectivity range up to 10 meters?
  1.    PAN
  2.    MAN
  3.    LAN
  4.    WAN
 Discuss Question
Answer: Option A. -> PAN
Question 179. Which of the following ISO level is more closely related to the physical communications facilities?
  1.    Session
  2.    Networking
  3.    Application
  4.    Data Link
 Discuss Question
Answer: Option D. -> Data Link
Question 180. Data communications system depends on four fundamental characteristics
  1.    Medium
  2.    Sender
  3.    Receiver
  4.    Timeliness
 Discuss Question
Answer: Option D. -> Timeliness

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