@OLD Hand: My Only intention, was to post a easy question(which , according to u was a dumb question),so that everyone can answer that. Not all of them are as genius as you. Apart From this I did provided resource to refer too. This was my very first post and i don't think i have choose a wrong question or bad answer options.

Sometimes, Knowing So much makes a easy question, most difficult one.

What if the same question was asked in any of the certifications exams??

There is No Such Rule: To Put a hard question or not to put any question directly from BOL. If it would have been they would have not publish question or just rejected this question when i posted it.