Talk:Web Science/Part1: Foundations of the web/Web content/Working with XML/quiz

Quiz question 1, why is choice 1 not correct?
Isn't the DOM tree another representation of the XML text? Also how is choice number 2 correct? We can have a DOM tree that cannot be parsed by any API. --95.89.149.62 (discuss) 10:47, 23 November 2014 (UTC)