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Answer to Question #39345 in Other Math for Sujata Roy

Question #39345
Frames of 1000 bits are sent over a 10^6 bps duplex link between two hosts. The propagation time is 25ms. Frames are to be transmitted into this link to maximally pack them in transit (within the link).

What is the minimum number of bits (i) that will be required to represent the sequence numbers distinctly? Assume that no time gap needs to be given between transmission of two frames.
(A) i=2
(B) i=3
(C) i=4
(D) i=5

Suppose that the sliding window protocol is used with the sender window size of 2^i where is the number of bits identified in the earlier part and acknowledgments are always piggy backed. After sending 2^i frames, what is the minimum time the sender will have to wait before starting transmission of the next frame? (Identify the closest choice ignoring the
frame processing time.)
(A) 16ms
(B) 18ms
(C) 20ms
(D) 22ms

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Assignment Expert
25.02.14, 18:13

Dear Sujata Roy

Assignment Expert
25.02.14, 18:13

Dear Sujata Roy

Sujata Roy
25.02.14, 16:46

Thank you.

Sujata Roy
25.02.14, 16:39

Thanks a lot.