Question $4$

Network attacks can be classified into three major categories: reconnaissance attacks, access attacks and denial of service attacks.

$($a$)$ Briefly describe the reconnaissance attacks and provide ONE $(1)$ example of such attack.

$[3$ marks$]$

$($b$)$ Briefly describe the access attacks and provide ONE $(1)$ example of such attack. $[3$ marks$]$

$($c$)$ Briefly describe the denial of service attacks and provide ONE $(1)$ example of such attack.