Practice question

What must Iowa CDL applicants certify about CMV operation?

  1. How they will use commercial motor vehicles, which may require a medical certificate
  2. That they own a commercial vehicle
  3. That they will drive only in daylight
  4. That they have never driven a car

Answer: A — How they will use commercial motor vehicles, which may require a medical certificate

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Practice more: Iowa CDL General Knowledge Test Practice Questions - Iowa Commercial Driver License General Knowledge Test Exam →