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I studied the previous pool of questions last month but was unaware that the test was going to be change after July 1st. I have heard rumors that it is a lot tougher than the previous one, and has diagrams as well. If this is true, how much harder is it compared to the previous? All of the practice tests that I have found are for the last question pool. Does anyone know where I can find a study guide or practice tests for the new question pool? I found the entire question pool on one website, but a study guide or practice test would be much more helpful. Thanks.