A lead systems engineer is establishing physical and environmental security controls across a newly constructed high-density enterprise data center. Match each specialized environmental or power control mechanism to its primary protective function.
- Hot Aisle Containment (HAC) with Differential Air Pressure MonitoringPrevents thermal recirculation between exhaust hot air and intake cold air, optimizing cooling airflow efficiency across server racks.
- Gaseous Clean-Agent Fire Suppression (e.g., Novec 1230)Extinguishes electrical fires by absorbing heat without conducting electricity or leaving chemical residue on server hardware.
- Positive-Pressure Air Handling with FiltrationPrevents dust accumulation and atmospheric contaminants from entering the server room by maintaining higher internal air pressure.
- Intelligent Per-Outlet Switching PDU with Automated Load SheddingPrevents cascading circuit breaker trips during high power draw events by automatically shedding non-essential load outlets.
Answer
Hot Aisle Containment matches with preventing thermal recirculation between exhaust and intake air. Clean-Agent Fire Suppression matches with extinguishing electrical fires without leaving residue. Positive-Pressure Air Handling matches with preventing dust and airborne contaminants from entering the server hall. Intelligent Per-Outlet Switching PDU matches with preventing cascading circuit trips via automated load shedding.
Each mechanism directly addresses a distinct physical or environmental hazard in network facilities: Hot Aisle Containment mitigates thermal recirculation; Clean-Agent Gaseous Suppression neutralizes electrical fires without liquid or chemical damage; Positive-Pressure HVAC prevents dust infiltration; and Intelligent PDUs mitigate circuit overload through load shedding.
Step-by-Step Solution
Key Concept
Data Center Physical and Environmental Security Controls