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Data Center University Associate Certification

Exam Details

  • Exam Code
    :DU0-001
  • Exam Name
    :Data Center University Associate Certification
  • Certification
    :APC Certifications
  • Vendor
    :APC
  • Total Questions
    :325 Q&As
  • Last Updated
    :May 05, 2025

APC APC Certifications DU0-001 Questions & Answers

  • Question 291:

    Which UPS topology switches to batteries and turns on the inverter when the utility fails?

    A. Rotary

    B. Standby

    C. Delta conversion

    D. Double conversion

  • Question 292:

    In three-phase power, by how many degrees are the three basic power waveforms offset?

    A. 60

    B. 90

    C. 120

    D. 180

  • Question 293:

    What is the function of a circuit breaker?

    A. To distribute power from the UPS to critical loads

    B. To filter harmonics caused by non-power factor corrected computer loads

    C. To protect electrical equipment from damage caused by overload or short circuit

    D. To balance the loads in the data center to prevent stray currents on the ground wire

  • Question 294:

    The power draw from a three-phase UPS is measured using a true RMS voltmeter. The meter reads 10 kW as well as 10 kVA.

    Why are the watts and volt-amps the same?

    A. The RMS voltage is 208 VAC.

    B. The three-phases are balanced.

    C. The power factor is equal to one.

    D. Each of the three-phases are synchronized.

  • Question 295:

    How is the problem of Electro-Static Discharge(ESD) in the data center solved?

    A. By installing TVSS devices

    B. By installing RCD breakers in the PDU

    C. By connecting bimetallic strips to all racks

    D. By insulating IT equipment with rubber bushings

  • Question 296:

    What are three power distribution components found in data centers? (Choose three.)

    A. Ground loop

    B. Branch circuit

    C. Metered outlet strip

    D. Power distribution unit (PDU)

    E. Valve regulated lead acid (VRLA) battery

  • Question 297:

    What does GFCI mean?

    A. Ground Fault Circuit Interrupter

    B. General Facilities Cooling Index

    C. Gaussian Filter Charge Indicator

    D. Grounded Flaw Circuitry Installed

  • Question 298:

    What is a difference between Single-phase and three-phase power?

    A. Single-phase power is flat but three-phase power is sinusoidal.

    B. Single-phase power is dependent on power factor but three-phase power is not.

    C. Single-phase power is limited to approximately 120 kW but three-phase power is unlimited.

    D. Single-phase power is more costly for the power company to distribute than three-phase power.

  • Question 299:

    Which statement correctly defines direct current (DC)?

    A. Only high voltage is used.

    B. Electricity flows in one direction only.

    C. The circuit does not have multiple paths.

    D. The circuit is directly attached to the power source.

  • Question 300:

    What is the purpose of grounding?

    A. To protect against electric shock

    B. To step down 208 V power to 120 V power

    C. To maintain the voltage during neutral wire bonding

    D. To provide a path for the Ground Fault Interrupt (GFI) circuit

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