What are two key characteristics of a UPS? (Choose two.)

Question

Options

• AIt tests voltages on IT equipment.
• BIt safeguards data in the event of a power loss.
• CIt measures energy consumption of IT equipment.
• DIt transfers IT equipment from utility to battery power.

• A
  9% (5)
• B
  85% (46)
• C
  4% (2)
• D
  2% (1)

Explanation

A UPS, or Uninterruptible Power Supply, is designed to provide backup power and protect connected equipment when the main power source fails, making B correct -- it keeps systems running long enough to save data and shut down safely. D is also a correct answer here (the question asks for two), because a core function of a UPS is automatically switching IT equipment from utility power to battery power the moment an outage or voltage irregularity is detected.

A is incorrect because a UPS does not test voltages on IT equipment; voltage testing is a function of a multimeter or power analyzer. C is incorrect because measuring energy consumption is the role of a power meter or PDU with metering capability, not a UPS.

Memory tip: Think of UPS as standing for "Uninterrupted Power Switch" -- it switches to battery and saves your work. That covers both correct answers: the switch from utility to battery (D) and the protection of data (B).

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