$1\mathrm{.}1)$intervals of time whe TCP slow start is operating $1\mathrm{.}2)$intervals of time when tcp congestionavoidance is operating: $1\mathrm{.}3)$what are the transmission rounds where segment loss was detected by timeout? What about if it was detected by triple duplicate ACK. $1\mathrm{.}5$What is the value of ssthreshold at the $19$th tansmission round? tervals of time when TCP slow start is