Computer Networks

1:

 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

A.

10

B.

20

C.

45

D.

90

 

Answer : D

Explanation :

p> 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 10C= 45
Number  of lines required will be =  45*2=90

 

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Option: A

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