Write short notes on the following: Characteristics of strong password.

Characteristics of strong password: a. Must be at least 8 characters long. b. Must not be dictionary or common slang words in any language. c. Must include at least 3 of the following 4 characters, in any order: upper case, lower case letters, numbers and special characters. d. Do not use < or > sign in your password as both can cause problems in web browsers. e. Must be change at least once per year. f. Should not match or relate to the username in any manner.