Which option best describes the concept of "Round Trip" as defined in the Monitor Response...

The percentage of transactions completed within the total delay threshold when a client and server exchange of S/N and ACK packets

The average time in milliseconds from the sending of a client's SYN packet, to the return of the server's ACK packet

A network delay or server delay threshold that has been setvia the command-line interface

The average timeinmilliseconds certain transactions use,categorized as total, network, and server delays