Free DU0-001 – Data Center University Associate Certification Practice Test Question

Select all that apply, then click Submit answer.

• ○

  Prevents harmonics from affecting the IT load

• ○

  Provides a low-impedance electrical return path

• ○

  Prevents electrical shock during maintenance and/or repair

• ○

  Serves as a reference signal to the automatic transfer switch

• ○

  Ensures circuit breakers trip before electrical malfunctions develop into fires
  
  
  

Select all that apply, then click Submit answer.

• ○

  Take coolant samples.

• ○

  Perform a thermal scan.

• ○

  Perform a diagnostic on the rectifier.

• ○

  Perform an inverter voltage regulation check.

• ○

  Perform a trip setting check of all major circuit breakers.
  
  
  

Select all that apply, then click Submit answer.

• ○

  Ability to virtualize

• ○

  Ability to oversize

• ○

  Ability to reconfigure

• ○

  Speed of deployment
  
  
  

Select all that apply, then click Submit answer.

• ○

  Step-up transformer

• ○

  Isolation transformer

• ○

  Step-down transformer

• ○

  Delayed input transformer

• ○

  Limited induction transformer
  
  
  

Select all that apply, then click Submit answer.

• ○

  The source PDU

• ○

  The date installed

• ○

  The circuit breaker it is fed from

• ○

  The voltage capacity of the cable
  
  
  

Select all that apply, then click Submit answer.

• ○

  Ground fault interrupt

• ○

  Sudden load reductions

• ○

  Single-phase fault in a three-phase system

• ○

  Automatic transfer switch (ATS) transfer to secondary power
  
  
  

Select all that apply, then click Submit answer.

• ○

  Thermal

• ○

  Magnetic

• ○

  Fast-acting

• ○

  Photovoltaic
  
  
  

Select an option, then click Submit answer.

• ○

  Single-phase power excludes the use of three-phase power in the data center.

• ○

  Single-phase power provides an effective means for delivering DC power to the data center.

• ○

  Single-phase power is an effective choice of power supply when data center users require large volumes of power.

• ○

  Single-phase power implies that power comes into the data center with one "hot" wire, along with accompanying neutral and ground.
  
  
  

Select an option, then click Submit answer.

• ○

  Water cooled system

• ○

  Glycol cooled system

• ○

  Air cooled split system

• ○

  Air cooled self-contained system
  
  
  

Select an option, then click Submit answer.

• ○

  Brand perception is damaged.

• ○

  Revenue streams are slowed or stopped.

• ○

  Data center personnel need to be retrained.

• ○

  Software needs to be upgraded to latest versions.
  
  
  

Select an option, then click Submit answer.

• ○

  Earthquakes

• ○

  Liquids

• ○

  Dusty environments

• ○

  Fire or excessive heat
  
  
  

Select an option, then click Submit answer.

• ○

  Harmonics

• ○

  Overvoltage

• ○

  Overcurrent

• ○

  Frequency variation
  
  
  

Select an option, then click Submit answer.

• ○

  Decreased heat load in the data center

• ○

  Increased capacity of the cooling system

• ○

  Maximized mixing of supply and return air

• ○

  Elimination of resistance created by underfloor cables
  
  
  

Select an option, then click Submit answer.

• ○

  Cable capacity

• ○

  Cooling requirements

• ○

  Overhead fire sprinklers

• ○

  Enclosure door clearance
  
  
  

Select an option, then click Submit answer.

• ○

  They plug into wall outlets

• ○

  They provide the highest capacity units

• ○

  They rapidly redeploy to a different location

• ○

  They do not take away from IT equipment space