Linux Quiz

What command would you use to list all files, including hidden ones, in a directory?

• ls

• ls -l

• ls -a

• ls *

Explain the difference between absolute and relative paths in Linux file systems.

• Absolute paths start from the root directory while relative paths start from current directory.

• Relative path use the / symbol, while absolute path use ~

• Absolute paths reference user home directories, while relative paths are for system directories.

• Both refer to the same type of file path.

What do the permissions “rwx” in a Linux file system stand for?

• Rename, write, execute

• Read, write, execute

• Read, wrote, expand

• Retrieve, write, execute

How do you check the owner and group associated with a file?

• ls -l

• Chmod

• chown

• cat

Which command would you use to change the permissions of a file to rwxr-x---?

• chmod 751

• chmod 760

• chmod 750

• chmod 740

Where are system logs typically stored in Linux?

• /etc/log

• /var/log

• /home/log

• /sys/log

What type of information is commonly found in the /var/log/auth.log file?

• Application crashes

• Authentication Attempts

• Disk usage details

• Kernel boot Logs

What is the purpose of the file command when investigating suspicious binaries?

• To execute the binary

• To determine the file's type and format

• To remove the binary

• To change its permissions

How can you identify if an executable is making network connections?

• using netstat

• Using cat

• Using chmod

• using IP a

We can see repeated SSH login attempts from an unfamiliar IP log. What is your first step?

• Block the IP address using a firewall rule.

• Reboot the server

• Delete the log file

• Change the system password.