Question

Example of password must be 6-20 characters consisting of numbers, uppercase and lowercase letters and .- _ characters!

Answer 1

Answer:

Special characters

Explanation:

Special character is not a number or alphabet letter.It is in the form of symbols like @,#,$,& etc. Passwords generally contains these special characters as it makes our password more strong and there become less chance of hacking our id passwords.

Character Name

                      Space

    !                Exclamation  

    "                Double quote

   #            Number sign (hash)

   $                 Dollar sign  

  %            Percent

  &            Ampersand

   '                Single quote

   (                Left parenthesis  

   )            Right parenthesis

  *                Asterisk

  +               Plus

   ,              Comma

   -            Minus

   .             Full stop

   /              Slash

   :           Colon

   ;          Semicolon

  <          Less than

  =         Equal sign

  >         Greater than

  ?          Question mark

 @          At sign

  [         Left bracket

  \         Backslash

  ]          Right bracket

  ^            Caret

  _         Underscore

  `          Grave accent (backtick)

  {           Left brace

  |          Vertical bar

  }          Right brace

  ~         Tilde