(ISC)2 Certified in Cybersecurity Practice Exam

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What does a 'wet pipe system' refer to in fire protection?

  1. Active sprinkler system pre-filled with water

  2. Inactive water system

  3. Fire extinguishers filled with water

  4. Water purification systems

The correct answer is: Active sprinkler system pre-filled with water

A 'wet pipe system' refers to an active sprinkler system that is pre-filled with water. This means that the pipes in this system contain water at all times, allowing for immediate response to a fire. When a fire is detected, the heat activates the sprinkler heads, which release water directly onto the flames. This system is effective in quickly controlling and suppressing fires, reducing the risk of extensive damage. The other options do not accurately describe what a 'wet pipe system' is. Inactive water systems do not have water available for immediate use in fire protection, while fire extinguishers filled with water are a different method of fire suppression not classified as a wet pipe system. Water purification systems are unrelated to fire protection and focus instead on making water safe for consumption or use. Understanding these distinctions is crucial in recognizing the role and functioning of various fire protection systems.