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MCQs

Total Questions : 885 | Page 19 of 89 pages
Question 181. A data communications system has:
  1.    6 components
  2.    7 components
  3.    4 components
  4.    5 components
 Discuss Question
Answer: Option D. -> 5 components
Question 182. Correct method for full duplex mode of communication is:
  1.    Both stations can transmit and receive data at the
  2.    One device can send other device can only accepts.
  3.    None of these
  4.    One device sends and other device receives and vic
 Discuss Question
Answer: Option A. -> Both stations can transmit and receive data at the
Question 183. What is Unicode?
  1.    Supports only few characters
  2.    Only few languages are supported
  3.    Represents symbol or characters used in any langua
  4.    Characters from A to Z
 Discuss Question
Answer: Option C. -> Represents symbol or characters used in any langua
Question 184. For data communications to occur, the communicating devices must be part of a communication system made up of a combination of?
  1.    Full duplex and half duplex
  2.    Hardware and software
  3.    All of these
  4.    WAN and LAN
 Discuss Question
Answer: Option B. -> Hardware and software
Question 185. 00 represents a pixel that pixel is known as :
  1.    Black pixel
  2.    Light gray
  3.    White pixel
  4.    Dark gray pixel
 Discuss Question
Answer: Option A. -> Black pixel
Question 186. Time required for a message to travel from one device to another is known as:
  1.    Dialogue time
  2.    Wait time
  3.    Response time
  4.    Transit time
 Discuss Question
Answer: Option D. -> Transit time
Question 187. Select the wrong data communication system component:
  1.    Transits
  2.    Protocol
  3.    Medium
  4.    Receiver
 Discuss Question
Answer: Option A. -> Transits
Question 188. If one link fails, only that link is affected. All other links remain active. Which topology does this?
  1.    Mesh topology
  2.    Star topology
  3.    Bus topology
  4.    Physical topology
 Discuss Question
Answer: Option B. -> Star topology
Question 189. Select correct type of line configuration:
  1.    Link
  2.    Single point
  3.    Dedicated point
  4.    Multi-point
 Discuss Question
Answer: Option D. -> Multi-point
Question 190. Twisted pair wires, coaxial cable, optical fiber cables are the examples of:
  1.    Wired Media
  2.    Wireless Media
  3.    Both A & B
  4.    None of these
 Discuss Question
Answer: Option A. -> Wired Media

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