List the different protocols that appear in the protocol column in

the unfiltered packet$-$listing window

$2.$ How long did it take from when the HTTP GET message

was sent until the HTTP OK reply was received? $($By default,

the value of the Time column in the packet listing window is

the amount of time, in seconds, since Wireshark tracing

began. To display the Time field in time$-$of$-$day format, select

the Wireshark View pull down menu, then select Time

Display Format, then select Time$-$of$-$day.$)$