12/12/2020 NYU Classes : COMPUTER NETWORKING, Section A : Tests & Quizzes
COMPUTER NETWORKING, Section A Tests & Quizzes
Tests & Quizzes
CS-GY 6843 / CS-UY 4793 Final Exam
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Part 5 of 6 –
Given a TCP Tahoe connection starting in Slow Start phase with the cwnd and ssthresh set at 1 and 256 respectively. Then the connection is observed with a constant RTT of 10 ms until a Timeout that resets its ssthresh to 150. Select ONE answer for each question below. [8pt]
Question 1 of 3
At least how much time does this TCP take before operating in Congestion Avoidance
Question 2 of 3
What is the cwnd value before the Timeout?
A. 10 ms (1 RTT) B. 70 ms (7 RTT) C. 80 ms (8 RTT)
D. 90 ms (9 RTT)
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12/12/2020 NYU Classes : COMPUTER NETWORKING, Section A : Tests & Quizzes
Question 3 of 3
At least how much time does this TCP operate in Congestion Avoidance before
experiencing the next timeout?
A. 10 ms (1 RTT) B. 150 ms (15 RTT) C. 300 ms (30 RTT) D. 440 ms (44 RTT)
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B. 150 C. 256 D. 300
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