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Unit 9 · Data Communication and Computer Networks Paper 2 CS · June 2024 Re-Exam

In a token ring network the transmission speed is 10⁷ bps and the propagation speed is 200 m/μs. The 1-bit delay in this network is equivalent to

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Correct answer: A. 20 m

Explanation

One bit lasts 1/10⁷ s = 0.1 μs. In that time the signal travels 200 m/μs × 0.1 μs = 20 m.

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