For each of the following aspects, answer and justify in one line which of either

packet and circuit switching is better. If you think it depends, say what it depends on

and why, in two lines or less.

$($a$)(2$ pts$)$ Quality of service guarantees

$($b$)(2$ pts$)$ Cost

$($c$)(2$ pts$)$ Flexibility adapting to dynamic workloads

$($d$)(2$ pts$)$ Communication overhea