All your missed questions are saved
automatically for extra practice.
It's a practice test that's automatically made up of all your missed questions. Once you finish this test, you’ll be able to revisit your Challenge Bank™ to practice and sharpen your skills.
View All PlansAdding difficult questions to Challenge Bank™ is an exclusive Premium feature. Unlock access to 650+ exam-like questions, a Pass Guarantee, personalized study plans, and more.
View All PlansThe Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
In South Dakota, federal and state laws mandate pre-trip inspections. They are designed to ensure that your vehicle is safe to operate, so you must be able to thoroughly inspect various vehicle components. The official South Dakota commercial driver license manual (South Dakota CDL Handbook 2025) describes pre-trip inspections and other aspects of commercial driving in detail. All 50 questions on the official CDL General Knowledge (permit) test are based on this manual, which covers everything you need to know to pass the test and safely operate a commercial vehicle. However, the most determined students favor online tools over traditional study methods.
Adopt a similar approach and boost your learning potential with the help of our South Dakota CDL General Knowledge Exam Simulator. This intuitive tool lets you simulate the official testing experience on your device anytime, anywhere in the world. You get nonstop access and unlimited attempts to simulate as many sessions as you wish. This simulator has limited features, and you will not receive assistance. You must score 80% or higher to pass; if you make too many mistakes, the test ends immediately. Do not get discouraged if you fail. Instead, you should visit your personal Challenge Bank™ to identify areas that need improvement and learn from your mistakes. Use our other CDL practice tests to fill any knowledge gaps. When you’re ready, return to this simulator to see if you’re prepared to pass the official exam on your first attempt.
Becoming a safe and responsible commercial driver takes more than a passing score. You must master this subject before you are issued a CDL. When you’re hauling hazardous materials or driving a bus full of passengers, even small mistakes can have serious consequences. That’s why employers only hire professional commercial drivers who take their jobs seriously. As a beginner, you’ll stand out with your comprehensive knowledge before you can get any behind-the-wheel experience. Start today and train with our simulator for a few weeks. With time, you’ll watch your score naturally increase as you build your knowledge.
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Methodology & Editorial Policy
Last verified for accuracy: October 2025 (reviewed weekly)
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The Exam Simulator mimics the actual exam. It will stop once you reach the maximum number of allowed mistakes.
