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GATE | GATE CS 2013 | Question 65

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Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s.

(A)

1

(B)

2

(C)

2.5

(D)

5



Answer: (B)

Explanation:

Data should be transmitted at the rate of 500 Mbps.
Transmission Time >= 2*Propagation Time
=> 10000/(500*1000000) <= 2*length/200000
=> length = 2km (max)
so, answer will be: (B) 2km 


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Last Updated : 13 Sep, 2021
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