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Computer Networks - Computer Networks Section 2

Avatto > > GATE COMPUTER SCIENCE > > Practice Questions > > Computer Science And Information Technology > > Computer Networks > > Computer Networks Section 2

46. Maximum data rate of a channel for a noiseless 3-kHz binary channel is

  • Option : C
  • Explanation : Maximum data rate = 2H log2 V bps,
    where, H = bandwidth
    V = discrete levels
    Here H is 3 kHz and V is 2.
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47. Which of the following measures the number of lost or garbled messages as a fraction of the total sent in the sampling period ?

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48. Minimum number of bits required to represent all the symbols together is

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49. A field in the Ethernet message packet is

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50. If data rate of ring is 20 Mbps, signal propagation speed is 200 b/ms, then number of bits that can be placed on the channel of 200 km is

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Computer Networks Section 2