Suppose the Round$-$Trip$-$Time $($RT$)$ between A and B is $10$ milliseconds and the bandwidth between the sites is $-10.$Mbit$/$s$.$ Illustrate with a nimple diagram in each chint how long it takes for A to retrieve bolth files under the following circumstances:

a$)$ Sequential $($one$-$at$-$it$-$time$)$ roquests with non$-$persistent connections.

Ba marks$)$

D$)$ Parallel TCP requests with nonpersigtenticomeditins:

is markel

c$)$ Sequential requests within a single persistant connection.

$[2$ marks$)$

d$)$ Pipelined requests within a single persistent connection,

$[2$ marks$]$