Which of the following are elements of good password practice for users?
(Choose THREE)
A.
Do not use words from a dictionary
B.
Use upper- and lower-case letters
C.
Use only alpha-numeric characters
D.
A password should be easy to remember
E.
Passwords should be 10 to 12 characters long
Explanation:
Safeguard against Dictionary attacks
Safeguard against brute force attacks using upper, lower case characters, digits and special characters
Safeguard against hash attacks by using 15+ chars when using MD5 hashes, or 8+ chars when using DES hashes.(see http://www.redhat.com/docs/manuals/linux/RHL-8.0-Manual/security-guide/s1-wstation-pass.html)