1. (5x2 pts) In what mode do we start TCP? Slow Start a. Congestion Avoidance Fa
ID: 3701321 • Letter: 1
Question
1. (5x2 pts) In what mode do we start TCP? Slow Start a. Congestion Avoidance Fast Recovery b. In which mode of window growth do we grow the window size exponentially? Slow Start Congestion Avoidance Fast Recovery When a packet is lost, which protocol always returns to a window size of one? TCP Vegas c. TCP Reno TCP Tahoe TCP Regi0 d. What is the name of the variable that holds the value at which TCP converts from SS to CA? rwnd cwnd ssthresh Which protocol reduces the window size by 50% instead of all the way back to 1 when a triple-duplicate ACK occurs: TCP Vegas TCP Reno TCP Tahoe TCP RegioExplanation / Answer
a) We start TCP in Slow Start mode.
b) In Slow Start mode of window growth, we grow the window size exponentially.
c) When a packet is lost TCP Tahoe protocol always returns to a window size of one.
d) ssthresh holds the value at which TCP converts from SS to CA.
e) TCP Reno protocol reduces the window size by 50% instead of all the way back to 1 when triple-duplicate ACK occurs.
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