Data Communication Q.74

0. If a designer wants to design a point-to-point subnetwork with 10 routers of full duplex line, then total number of lines among them would be

Answer
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Option : D
Explanation : Full duplex means transmission and reception can take place simultaneously. So we need 1 line for transmission and 1 for reception. that means between any 2 devices there will be 2 lines.
So Number of connections ¹⁰C₂= 45
Number of lines required will be = 45*2=90

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