Based on the following passage, answer the Questions : A 3000 km long trunk…
2022
Based on the following passage, answer the Questions :
A 3000 km long trunk operates at 1.536mbps and is used to transmit 64 bytes frames and uses sliding window protocol. The propagation speed is 6 𝜇 sec/km.
The sender window size to get the maximum efficiency is
- A.
108
- B.
109
- C.
55
- D.
56
Attempted by 162 students.
Show answer & explanation
Correct answer: B
Given:
Distance = 3000 km
Data rate = 1.536 Mbps = 1.536 × 106 bps
Frame size = 64 bytes = 64×8 = 512 bits
Propagation delay = 6 μs/km
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