A driver license or learner's permit is compulsory in Delaware if you operate a motor vehicle on public roads. The vision screening, highway sign and signal test, rules of the road test, and road test are the four parts of the DE DMV examination. The questions in the Delaware DMV written test are based on the contents of the Delaware Driver's Manual. There are 30 questions in the knowledge test, and you must get 24 accurate answers to pass (80%). Practice with our Delaware DMV driving test to familiarize yourself with the format of the Delaware DMV driver's license test.