Which of the following describes a blacklist? a security mechanism to detect and prevent attempts to breach security a type of filtering in which all activities or entities are permitted except those identified a list of the hosts and servers on the network a list that describes the steps to lock down a host against threats and attacks

answerenforce the organization's security policy;

do not use any of these common illegal characters/symbols:

# pound

% percent

& ampersand

{ left curly bracket

} right curly bracket

\ back slash

< left angle bracket

> right angle bracket

* asterisk

? question mark

/ forward slash

  blank spaces

$ dollar sign

! exclamation point

' single quotes

" double quotes

: colon

@ at sign