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Computer Networks

Covers OSI model layers and signal transmission concepts in computer networks

5 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following represents the loss of energy as the signal propogates outward?

  1. Attenuation
  2. Delay distortion
  3. Noise
  4. Decibels
  5. Cross talk
Question 2 Multiple Choice (Single Answer)

Which of the following ensures that the whole message arrives intact in order, overseeing both error and flow control at the source to destination level?

  1. Session layer
  2. Network layer
  3. Transport layer
  4. Peer process
  5. Open system
Question 3 Multiple Choice (Single Answer)

Which of the following is the absolute value of its highest intensity, proportional to the energy it carries?

  1. Frequency
  2. Peak amplitude
  3. Phase
  4. Wavelength
  5. Period
Question 4 Multiple Choice (Single Answer)

In which of the folllowing does signals tend to spread as they travel with the amount of spreading dependent on the frequency?

  1. Dispersion
  2. Delay distortion
  3. Noise
  4. Bandwidth
  5. Composite signal
Question 5 Multiple Choice (Single Answer)

Which of the following is responsible for functions such as framing, error control, flow control, physical addressing and access control mechanism?

  1. Data link layer
  2. Physical layer
  3. Network layer
  4. IP number
  5. Protocol
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