Suppose two nodes, A and B$,$ are separated by $20,000$ kilometers and are connected by a direct link of $1,000$ mbps$.$ Suppose the propagation speed over the link is $2\mathrm{.}5$ x $108$ m$/$sec$.$ Consider sending a file of $100,000,000$ bits from node A to node B$.$ Suppose now the file is broken up into $20$ packets with each packet containing $5,000,000$ bits. Suppose that each packet is acknowledged by the receiver and the transmission time of an acknowledgment packet is negligible. Finally, assume that the sender cannot send a packet until the preceding one is acknowledged. How long in ms$($milliseconds$)$ does it tSuppose two nodes, A and B$,$ are separated by $20,000$ kilometers and are connected by a direct link of $1,000$ mbps$.$ Suppose the propagation speed over the link is $2\mathrm{.}5$ x $108$ m$/$sec$.$ Consider sending a file of $100,000,000$ bits from node A to node B$.$ Suppose now the file is broken up into $20$ packets with each packet containing $5,000,000$ bits. Suppose that each packet is acknowledged by the receiver and the transmission time of an acknowledgment packet is negligible. Finally, assume that the sender cannot send a packet until the preceding one is acknowledged. How long in ms$($milliseconds$)$ does it take to send the file?ake to send the file?