Linux quiz 5

Check the correct commands

• passwd

• passmod

• adduser

• useradd

What will happen id the groupdel command is used to delete a group?

• Files in the deleted group will become orphaned

• Files in the deleted group will be deleted

• Files in the deleted group will be owner by root

• nothing will happen

How to execute commands as root

• use 'root'

• use 'sudo'

• use 'su'

• use 'admin'

The 'host' command....

• will return your hostname for your local machine

• allows you to change the hostname for you local machine

• works with DNS to associate a hostname with an IP address

• will add a static route for a remote host

The 'who' command.....

• it will show previous login sessions

• it will display information for a specific account

• lists users who are currently logged in

• will tell you where and when users logged in

What can be done with the 'dig' command

• the dig command can be used to set network routes

• the dig command can be used for tracing packages

• the dig command is a modern version of the 'ping' command

• the dig command will perform queries on the DNS server

• the dig command shows network performance statistics

the getent command can be used to...

• show your password expiration date

• show local network-based groups

• show system-based entities for groups

• show all system based userID's on your system

How to delete a user and their home directory?

• use: userdel -f <user>

• use: userdel -r <user>

• search for all the files manually and then delete them

• that is not possible in Linux with a single command

Correct command to view network-card (NIC) information

• ifconfig

• netstat

• ipconfig

• ip a

What is true about the /etc/passwd file

• It defines some account information for user accounts

• It defines the primary group membership for a user

• It contains the (encrypted) passwords for all users

• It is hashed and not readable

• Each line contains information about a single user