Which of the following methods is ideal for cooling exposure during firefighting?

The combination attack is ideal for cooling exposure during firefighting because it utilizes both direct and indirect methods to effectively control the fire's spread while protecting adjacent structures or areas. This approach allows firefighters to apply water directly onto the flames (direct attack) while also creating a cool, protective barrier using water mist or steam that can inhibit the fire's heat and prevent it from spreading to exposures.

Using this method, firefighters can not only attack the fire at its source, minimizing damage, but also cool down surrounding hot spots, which is crucial in preventing reignition and protecting life and property. The ability to adapt tactics between direct and indirect methods as conditions change makes the combination attack particularly effective in managing challenging fire scenarios, thus enhancing safety and efficiency in firefighting operations.