An organization experiences an unexpected municipal power grid failure at its primary data center. Although the rack-mounted Uninterruptible Power Supply (UPS) units immediately supplied emergency battery power to critical servers, all systems abruptly shut down 15 minutes later when the batteries depleted. An investigation revealed that the facility's backup diesel generator successfully started, but utility power was never switched over to generator power. Which of the following components should the security architect install to automate switching between primary utility power and secondary generator power?
- Automatic Transfer Switch (ATS)Cevap
- BDual Power Distribution Units (PDUs)
- CRedundant Power Supply Units (PSUs)
- DExtended Battery Modules for the existing UPS
Cevap
The Automatic Transfer Switch (ATS) is the correct component because it automatically detects a loss of primary utility power and transfers the electrical load to the backup generator.
An Automatic Transfer Switch (ATS) monitors incoming utility power feeds. When primary power drops, the ATS signals the generator to start (if not already running) and automatically switches the electrical load from the dead utility feed to the operational generator feed, preventing UPS battery exhaustion.
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Anahtar Kavram
Power Resiliency and Environmental Redundancy Controls
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