Gate CS-2014-2 Question Paper With Solutions

Q. 36 Consider the store and forward packet switched network given below. Assume
that the bandwidth of each link is 106 bytes/sec. A user on host A sends a file
of size 103 bytes to host B through routers R1 and R2 in three different ways. In
the first case a single packet containing the complete file is transmitted from A
to B. In the second case, the file is split into 10 equal parts, and these packets
are transmitted from A to B. In the third case, the file is split into 20 equal parts
and these packets are sent from A to B. Each packet contains 100 bytes of header
information along with the user data. Consider only transmission time and ignore
processing, queuing and propagation delays. Also assume that there are no errors
during transmission. Let T1, T2 and T3 be the times taken to transmit the file
in the first, second and third case respectively. Which one of the following is
CORRECT?

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Gate CS-2014-2 Question Paper With Solutions

(A) T1 < T2 < T3

(B) T1 > T2 > T3

(C) T2 = T3, T3 < T1

(D) T1 = T3, T3 > T2

Answer: (D)

Explanation:

Gate CS-2014-2 Question Paper With Solutions Gate CS-2014-2 Question Paper With Solutions Gate CS-2014-2 Question Paper With Solutions

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