Which statement best describes the General Knowledge content that North Dakota CDL applicants should study?

1. Only North Dakota traffic signs and passenger-car rules
2. The North Dakota CDL manual sections on CDL basics, safe driving, inspections, cargo, and applicable FMCSA knowledge areas
3. Only endorsement chapters such as tanker, doubles/triples, passenger, school bus, and hazmat
4. Only the road-test vehicle inspection checklist