What is a DMZ network and what types of systems would you

expect to find on such networks?

$($b$)$ What is the difference between an internal and an external firewall?

$($c$)$ Briefly define a field.

$($d$)$ Briefly describe the following primality testing methods. Which one

do you trust the most? Why?

i$.$ Divisibility

ii$.$ AKS algorithm

iii. Fermat

iv$.$ Square root

v$.$ Miller$-$Rabin