Security+ and Linux

Are you prepping for the Security+ exam? Do you know how to interpret basic Linux commands? 

See if you can answer this sample question.

Q. After entering the following command on a Linux system, what are you likely to see?

    cat /etc/shadow | grep root

A. The contents of the Linux password file
B. The password for the root account
C. The encrypted password of the root account
D. The encrypted password of the grep account

Check your answer here.