Practice question

In Illinois, what written test is required of all CDL or CLP applicants regardless of vehicle class?

  1. Only the air brake written test
  2. The computerized General (Core) Knowledge written test
  3. Only a passenger endorsement test
  4. Only the combination vehicle test

Answer: B — The computerized General (Core) Knowledge written test

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Practice more: Illinois CDL General Knowledge Practice Questions - Illinois Commercial Driver License General (Core) Knowledge Test Exam →