219. While referring to physical security, what does positive pressurization means?

Вариант ответа 1 - A. A series of measures that increase pressure on employees in order to make them more productive.

Вариант ответа 2 - B. The air goes out of a room when a door is opened and outside air does not go into the room.

Вариант ответа 3 - C. Causes the sprinkler system to go off.

Вариант ответа 4 - D. The pressure inside your sprinkler system is greater than zero.