Computer Networks

201. Computer are ____________ in nature

  1. Analog
  2. Digital
  3. Both a & b
  4. None of these

Correct answer: (B)
Digital

202. Control multiframe comprises of 51 TDMA frame with a duration of ____________

  1. 234.5ms
  2. 233.5ms
  3. 235.4ms
  4. 235.3ms

Correct answer: (C)
235.4ms

203. CPE may be devices such as

  1. PCs(Personal computers)
  2. Intermediate nodes
  3. Terminals
  4. All of these

Correct answer: (D)
All of these

204. CRC means

  1. Circuit Redundancy Check
  2. Cyclic Redundancy Check
  3. Checksum Rail Check
  4. None of these

Correct answer: (B)
Cyclic Redundancy Check

205. Data are taken as ____________ level of abstraction

  1. Highest
  2. Middle
  3. Lowest
  4. None of these

Correct answer: (C)
Lowest

206. Data can be arbitrarily ____________

  1. Long
  2. Empty
  3. Full
  4. Both a & b

Correct answer: (D)
Both a & b

207. Data can be either

  1. Images
  2. Numbers
  3. Words
  4. All of these

Correct answer: (D)
All of these

208. Data exchange can take place between any ____________ workstations

  1. 1
  2. 2
  3. 3
  4. 4

Correct answer: (B)
2

209. Data processing and transmission systems experience errors due to several reasons

  1. Electrostatic interference can be caused from circuits or machines lying close by
  2. Inductance and capacitance, loss in transmission due to leakages, impulses from static in the atmosphere, etc, lead to distortion
  3. Resistance to current in a cable can be caused due to attenuation
  4. All of these

Correct answer: (D)
All of these

210. Data rate that can be achieved using a channel depends on the ____________ of a channel

  1. Frequency
  2. Bandwidth
  3. Data rate
  4. Capacity

Correct answer: (B)
Bandwidth

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