Linux security

Which of the following commands shows the path of the current working directory?

• cat

• ls -l

• pwd

• which

What is the su command used for?

• To switch users

• To create a super-user

• To run commands as a simple user

• To run applications

Which directory does cd / navigate to?

• Root directory

• Parent of the current directory

• Home directory

• Previous directory

Which of the following files stores hashed passwords in Linux?

• /etc/shadow

• /etc/hosts

• /tmp/password

• /etc/passwd

Which command would assign the permissions drwxr-xr-x to the temp directory?

• chmod 755 temp

• chmod 766 temp

• chmod 775 temp

• Chmod 776 temp

Which of the following protocols are unsecure? (Select two)

• FTP

• Telnet

• SSH

• SCP

By default, Apache serves HTTP content on which port?

• 80

• 8080

• 443

• 8443

What type of users can access the /etc/shadow file?

• any user

• only superusers

• guest account

How do you save and quit VIM in a single command?

• :wq

• :w!

• :q!

• :sq

What is /tmp the name of?

• Directory

• Hidden file

• Configuration file

• Read-only file