To obtain a Commercial Driver’s License (CDL) in the United States, passing the **CDL General Knowledge Test** is a critical step. This exam assesses a candidate's understanding of road safety, vehicle operation, and the rules and regulations that apply to commercial driving. Whether you're aiming for a Class A, B, or C license, this test ensures that all commercial drivers are equipped with the knowledge to operate their vehicles safely and responsibly. The test typically includes random questions, and candidates must score at least 80% to pass.