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GATE | GATE 2017 MOCK II | Question 62

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Consider the following two statements: 
Statement 1: Stop and Wait protocol is preferred for LANs compared to WANs

Statement 2: Stop and Wait protocol is good for bursty data transmission.
Which of the above two statements are true?


Only 1


Only 2


Both 1 and 2


Neither 1 nor 2

Answer: (C)


Efficiency of Stop and Wait is given by, E= 1/(1 +(2*d*B)/v*L), link speed(v) and Bandwidth (B) are fixed . Thus only variable terms are packet length(L) and distance(d) Cleary, E decreases with increase in d . And E will increase with increase in L . 
Hence Stop and Wait is suitable for LANs and bursty data.

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Last Updated : 28 Jun, 2021
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