Crucial Exams

CompTIA Server+ SK0-005 Practice Question

You are installing two online, rack-mounted UPS units in a new server rack. Each dual-corded server will have one power supply connected to UPS-A and the other to UPS-B. Facilities has run UPS-A from branch circuit X on panel PP-1, and UPS-B from branch circuit Y on panel PP-2, which is on a different breaker and phase than circuit X. Which primary risk does supplying the two UPS units from separate branch circuits mitigate?

  • Battery exhaustion in one UPS during a prolonged utility outage

  • A single branch-circuit breaker trip or wiring fault that would otherwise cut power to both UPS inputs

  • Harmonic distortion caused by both UPS units operating on the same phase

  • Mechanical fan failure inside one of the server's redundant power supplies

CompTIA Server+ SK0-005
Server Hardware Installation and Management
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