The answer that fits the blank is XOR or Exclusive OR. Exclusive OR is a logical operation wherein it demonstrates the logic presented by "either/or". This means that if the output given is true, either of the inputs, but never both, should also be true.
I think it is C. cross-site scripting
The answer would be A.) Web pages provide information, while web applications allow the user to do something. a web page is for relaying information. (you can relate this to a book. a page in a book gives you information.) while an application allows you to perform an action.
