LPI Exam Questions

Which of the following answers regarding user account configuration are true?

Which of the following answers regarding user account configuration are true?

(Choose two)

A.
Username is case-sensitive

B.
Password is case-sensitive

C.
Username is case-insensitive

D.
Password is case-insensitive

Explanation/Reference:
see http://tldp.org/LDP/lame/LAME/linux-admin-made-easy/creating-user-accounts.html