Do you currently have car insurance? Insurance is mandatory to drive in Arizona Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question To get a CDL, you must pass: Answers A knowledge test. A math test. A lie detector test. Explanation To obtain a CDL, you must pass knowledge tests for the classes of vehicle you plan to operate. Take a FREE Practice Test Now This questions appears in the following tests: Arizona Knowledge Test Class A ,