California CDL General Knowledge Practice Test 2026

Questions mapped to the official California DMV Commercial Driver Handbook. Filter by topic and difficulty. Full rationale on every answer — including California-specific rules.

📍 Required for All CDL Classes — CA DMV Handbook Sections 1-4 — 40/50 to Pass
Questions on Real Exam
50
CA DMV Handbook Sections 1-4
Minimum to Pass
40 Correct
80% passing threshold
Practice Questions
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Full module coverage
Max Attempts
3
Fail 3x — reapply from scratch

What the California CDL General Knowledge Test Covers

The real California CDL General Knowledge exam has 50 questions, and you need 40 correct (80%) to pass. Topics tested include:

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California CDL General Knowledge Practice Questions