$($i$).$ How can you check whether a firewall is enabled? $[5$ points$]$

$($ii$).$ Write a shell script to run a Python code to take the user name as an input. Display that name on the terminal. $[10$ points$]$

$($iii$).$ Write a shell script to run a Python code that creates a subdirectory within the current working directory. Show that your script successfully runs. $[10$ points$]$

$($iv$).$ What command is used in ssh to log in on a remote system? $[5$ points$]($v$).$

Why is the secure shell secure$?[10$ points$]$

$($vi$).$ What is the difference between the SCP and SFTP utilities? $[5$ points$]$

$($vii$).$ What is Apache? How does it work? $[10$ points$]$

$($viii$).$ What is the relationship between Apache and httpd$?[5$ points$]$

$($ix$)$ What is postfix? $[5$ points$]$

$($x$)$ What is the difference between HTML and HTTP$?[5$ points$]$

$($xi$)$ What is the purpose of the pickle module in Python? $[5$ points$]$

$($xii$)$ What is the purpose of virtual hosts in Apache? $[10$ points$]$

$($xiii$)$ What is the advantage of using yum or dnf over some other packet managementsystem like rpm$?[5$ points$]$

$($xiv$)$ What is port forwarding in the secure shell? $[5$ points$]$

$($xv$)$ Write the command$($s$)$ to obtain an IP address for your Linux virtual machine.$[5$