I got the question wrong yesterday because I chose the option that was incorrectly marked as unsupported. Now that option's been replaced, I've got the question wrong because I apparently chose an option that wasn't there yesterday and I wouldn't have picked because it's wrong!
On two occasions I have been asked, "Pray, Mr. Babbage, if you put into the machine wrong figures, will the right answers come out?" ... I am not able rightly to apprehend the kind of confusion of ideas that could provoke such a question.
—Charles Babbage, Passages from the Life of a Philosopher
How to post a question to get the most help http://www.sqlservercentral.com/articles/Best+Practices/61537