One more note:
When you go to various sites like Examtopics and whatnot, YOU should be double-checking their answers against what YOU know and have researched.
The reason is that there is a GREAT deal of copying /pasting going on out there. And many sites are NOT double-checking the content they post for us. Such as typos, bad grammar (making it confusing for the test taker/studier), missing graphics, incorrect answers being used even though the explanation specifically states the right info (but your answer selection was marked as wrong).
So, beware and do your own explicit research to ensure you know what you are absorbing...