California Driver License (DMV) Written Practice Test

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Ace your California DMV written test! Prepare for the exam by practicing hundreds of multiple-choice questions covering traffic laws and road signs. Boost your knowledge, gain confidence, and increase your chances of passing the test on your first try.

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When carrying hazardous materials, you must:

  1. Follow the speed limit

  2. Have a brake light and headlights on

  3. Have a flashing green light

  4. Have a red flag on the back of the vehicle

The correct answer is: Have a red flag on the back of the vehicle

When carrying hazardous materials, you must have a red flag on the back of the vehicle, as this is a required marking for any vehicle transporting hazardous materials. Options A and B are basic safety measures and should always be followed while driving, but they are not specific to transporting hazardous materials. Option C may be used by emergency response vehicles, but it is not required for vehicles carrying hazardous materials. Therefore, the best answer is D.

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