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220-1101 · Question #956

Several storms cause mission-critical servers to go offline unexpectedly A server also goes offline suddenly due to haroNvare failure Upon assessment the company purchases new UPSs to condition power

The correct answer is C. Installing redundant PSUs. Redundant PSUs provide fault tolerance by ensuring that if one power supply fails, another will take over seamlessly. This is a cost-effective way to increase uptime while waiting for the UPSs to arrive.

Hardware

Question

Several storms cause mission-critical servers to go offline unexpectedly A server also goes offline suddenly due to haroNvare failure Upon assessment the company purchases new UPSs to condition power and allow the OSs to shut down gracefully in the event of a power failure However, the UPSs are delayed due to supply chain issues Which of the following can balance a cost-effective solution with uptime requirements?

Options

  • APurchasing backup generators
  • BIncreasing input voltage
  • CInstalling redundant PSUs
  • DActivating a hot site

How the community answered

(29 responses)
  • A
    3% (1)
  • C
    86% (25)
  • D
    10% (3)

Explanation

Redundant PSUs provide fault tolerance by ensuring that if one power supply fails, another will take over seamlessly. This is a cost-effective way to increase uptime while waiting for the UPSs to arrive.

Topics

#Server hardware#Power redundancy#Uptime#High availability

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