Consider below Figure. Assuming TCP Reno is the protocol experiencing the behavior shown in the Figure, answer the following questions. In all cases, you should provide a short discussion justifying your answer. a. Identify the intervals of time when TCP slow start is operating. b. Identify the intervals of time when TCP congestion avoidance is operating c. After the 16th transmission round, is segment loss detected by a triple duplicate ACK or by a timeout? d. After the 22nd transmission round, is segment loss detected by a triple duplicate ACK or by a timeout? 45 40 35 30 25 Congestion window size (segments) 20 15 10 5 0 oto 24 4 6 8 10 12 14 16 18 20 22 24 26 Transmission round