IT 4112

You’ve been assigned as the system administrator of a small IT company. On your first day, your supervisor asks you to review all systems for potential vulnerabilities. What is your first step?

• Install more applications

• Uninstall unused programs

• Perform a system audit and check logs

• Change all IP addresses

Your team frequently forgets to document system changes. What practice should you implement to improve this?

• Force everyone to memorize commands

• Require a change log for every system modification

• Rely on oral updates

• Limit access to senior admins only

You are setting up a new Linux server and need a lightweight distribution for command-line operations only. What would be your best choice?

• Windows Server

• Ubuntu Desktop

• Ubuntu Server

• Fedora Workstation

You need to give access to a new technician who is unfamiliar with Linux. Which Linux shell environment would be most user-friendly?

• zsh

• csh

• bash

• fish

A user reports that they can’t connect to the internet. You suspect an IP configuration issue. Which command will help you verify their IP address?

• traceroute

• netstat

• ip a or ifconfig

• top

You are asked to create a test environment for Ubuntu Server without affecting your host machine. What will you do?

• Install Ubuntu Server directly on your main machine

• Use VirtualBox to create a virtual machine

• Replace your current OS with Ubuntu

• Dual-boot the system

After setting up a VM in VirtualBox, the network is unreachable. What should you check first?

• VM's firewall

• Network the adapter setting in VirtualBox

• Memory allocation

• Memory allocation

You are working in a terminal and want to find a list of files inside a specific folder. Which command should you use?

• dirlist

• ls

• vi

• chmod

You want to shut down the server at the end of your maintenance shift. What command should you issue?

• exit

• logout

• sudo shutdown now

• killall

You accidentally saved a file in the wrong folder. You need to move it to /var/www/html. Which command do you use?

• cp file.txt /var/www/html

• mv file.txt /var/www/html

• rm file.txt /var/www/html

• sudo mkdir /var/www/html