Gate2018 cs Q19

19Consider the following statements regarding the slow start phase of the TCP congestion control algorithm. Note the cwnd stands for the TCP congestion window and MSS denotes the Maximum Segment Size.
i. The cwnd increases by 2 MSS on every successful acknowledgment.
ii. The cwnd approximately doubles on every successful acknowledgment.
iii. The cwnd increases by 1 MSS every round trip time.
iv. The cwnd approximately doubles every round trip time
Which one of the following is correct?

Option : C
Explanation :
cwnd is approximately doubles every round-trip time. So option C is the correct answer.

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