| Which of the following statements holds true for both CO2 and Halon 1301 fixed extinguishing systems? |
| A) A cylinder is considered satisfactory if its weight is within 10% of the stamped full weight of the charge. |
| B) If a protected space is ventilated mechanically, the ventilation system must be automatically shutdown by the release of the agent. |
| C) To avoid confusion during an emergency situation, there should be only one action necessary (such as a single pull box) to activate the system. |
| D) All of the above. |
