DU0-001 Exam Questions
240 real DU0-001 exam questions with expert-verified answers and explanations. Page 2 of 5.
- Question #51Power Systems in the Data Center
What is the minimum number of UPS modules used in a distributed redundant configuration?
distributed redundantUPS modulesminimum configurationredundancy - Question #52Power Systems in the Data Center
Which two statements describe the parallel redundant UPS configuration? (Choose two.)
parallel redundant UPSmodule failureload assumptionUPS scalability - Question #53Power Systems in the Data Center
Which UPS configuration presents the fewest single points of failure?
single points of failuresystem+systemUPS configurationsreliability - Question #54Power Systems in the Data Center
What are two advantages of the distributed redundant UPS configuration? (Choose two.)
distributed redundantdual power pathsstatic transfer switchesmaintenance - Question #55Power Systems in the Data Center
In order to determine the most appropriate UPS configuration for your business, which two factors should be considered? (Choose two.)
UPS configuration selectionrecovery timecost of downtimebusiness requirements - Question #56Power Systems in the Data Center
To which percentage is a data center's UPS system typically oversized?
UPS oversizing300%capacity planningdata center design - Question #57Power Systems in the Data Center
What is the most cost effective UPS configuration for a company that operates 8 hours a day, 5 days a week and requires redundancy?
UPS cost effectivenessparallel redundantredundancybusiness hours - Question #58Power Systems in the Data Center
What is another name for a system + system UPS configuration?
system+system2N configurationUPS namingredundancy - Question #59Power Systems in the Data Center
How does the parallel redundant UPS configuration differ from an isolated redundant UPS configuration?
parallel redundantisolated redundantUPS differencesmanufacturer requirements - Question #60Power Systems in the Data Center
What are sudden high peak events that raise voltage or current?
impulsive transientsvoltage spikespower qualitypower disturbances - Question #61Power Systems in the Data Center
What is one cause of oscillatory transients?
oscillatory transientspower disturbancesmotor loads - Question #62Power Systems in the Data Center
Which type of power problem is shown in the exhibit?
DC offsetpower qualitywaveform analysis - Question #63Power Systems in the Data Center
Why are frequency variations a small concern for data center managers?
frequency variationpower suppliespower quality - Question #64Power Systems in the Data Center
A power line conditioner can compensate for which two events?
power line conditionerDC offsetvoltage fluctuationspower conditioning - Question #65Power Systems in the Data Center
Which two ways does a transient voltage surge suppressor (TVSS) work? (Choose two.)
TVSStransient suppressionsurge protectionpower quality - Question #66Power Systems in the Data Center
What are two causes of impulsive transients? (Choose two.)
impulsive transientslightning strikesESDpower disturbances - Question #67Power Systems in the Data Center
What is a result of an undervoltage condition?
undervoltagemotor overheatingpower quality effects - Question #68Power Systems in the Data Center
Which two would cause a swell? (Choose two.)
voltage swellload reductionsingle-phase faultpower disturbances - Question #69Power Systems in the Data Center
Undervoltage is a more technically accurate term to describe what event?
undervoltagebrownoutpower terminology - Question #70Power Systems in the Data Center
When is frequency variation a more likely occurrence?
frequency variationgenerator loadingpower quality - Question #71Data Center Design Principles
Click the Exhibit button. What does the shaded area in the exhibit represent?
oversizingcapacity planningstranded capacitypower efficiency - Question #72Power Systems in the Data Center
Click the Exhibit button. In the exhibit, which type of power problem is illustrated?
harmonic distortionwaveform analysispower quality - Question #73Power Systems in the Data Center
Click the Exhibit button. In the exhibit, which power problem is illustrated?
frequency variationwaveform analysispower quality - Question #74Power Systems in the Data Center
Which can cause a swell or surge to occur in the data center's electrical system?
voltage swellsurgeload reductionpower disturbances - Question #75Power Systems in the Data Center
Click the Exhibit button. What type of power problem does the exhibit illustrate?
impulsive transientwaveform analysispower quality - Question #76Cooling Systems in the Data Center
What is a measure of heat intensity?
temperatureheat intensitythermal measurement - Question #77Cooling Systems in the Data Center
According to the Ideal Gas Law, as the pressure inside a balloon increases to a point that it exceeds the pressure on the outside of the balloon, which property of the balloon also...
Ideal Gas LawPressure-Volume RelationshipGas BehaviorPhysics Fundamentals - Question #78Cooling Systems in the Data Center
What is a property of heat transfer?
heat transferthermodynamicsthermal properties - Question #79Cooling Systems in the Data Center
Which method transfers heat through a solid material?
heat transferconductionthermal managementcooling - Question #80Cooling Systems in the Data Center
Which method of heat transfer occurs when stepping barefoot onto hot pavement?
Heat TransferConductionThermal PropertiesCooling Fundamentals - Question #81Cooling Systems in the Data Center
Which method transfers heat through the movement of a liquid or gas?
heat transferconvectioncooling fundamentalsthermodynamics - Question #82Cooling Systems in the Data Center
Which method transfers heat by electromagnetic waves?
heat transferradiationcooling fundamentalsthermodynamics - Question #83Cooling Systems in the Data Center
Which method of heat transfer causes electromagnetic waves?
heat transferradiationelectromagnetic wavesthermodynamics - Question #84Power Systems in the Data Center
What percentage of electricity used to power IT equipment is typically converted into heat?
power efficiencyheat generationpower conversionthermal load - Question #85Cooling Systems in the Data Center
What is the most common direction of airflow through a rack mount blade server assembly?
airflow directionblade serversrack coolingindustry standards - Question #86Cooling Systems in the Data Center
The Ideal Gas Law governs the relationship of which three state variables? (Choose three.)
Ideal Gas LawState VariablesThermodynamicsGas Properties - Question #87Cooling Systems in the Data Center
According to the Ideal Gas Law, what happens to the pressure when the temperature is increased and the volume is held constant?
Ideal Gas LawPressure-Temperature RelationshipThermodynamicsGas Behavior - Question #88Cooling Systems in the Data Center
According to the Ideal Gas Law, what happens to the temperature and pressure inside an aerosol can that is being sprayed?
ideal gas lawpressuretemperaturethermodynamics application - Question #89Cooling Systems in the Data Center
Which temperature range is optimal for the proper function of a data center?
temperature managementcooling specificationsenvironmental controlsHVAC standards - Question #90Cooling Systems in the Data Center
What is the correct order of the refrigeration cycle datacenter precision cooling?
refrigeration cycleprecision coolingevaporationcompression - Question #91Cooling Systems in the Data Center
What is the historical / traditional architecture of data center cooling?
cooling architectureroom-based coolingthermal managementhistorical infrastructure - Question #92Cooling Systems in the Data Center
Which is an example of a row-oriented cooling architecture?
row coolingcooling architectureceiling-mounted coolingcold aisle - Question #93Cooling Systems in the Data Center
What are three benefits of row-oriented cooling architecture? (Choose three.)
Row-oriented coolingCooling architectureAirflow managementData center thermal design - Question #94Cooling Systems in the Data Center
What are three benefits of rack-oriented cooling architecture? (Choose three.)
rack cooling architectureCRAC efficiencyair containmentcooling optimization - Question #95Cooling Systems in the Data Center
What characteristic is common to all cooling architectures?
cooling architectureraised floorarchitecture comparisoncommon characteristics - Question #96Cooling Systems in the Data Center
Which two cooling architectures are flexible enough to adapt to ever-changing data center requirements? (Choose two.)
cooling architecturesrow coolingrack coolinginfrastructure flexibility - Question #97Cooling Systems in the Data Center
Which is an example of a rack-oriented cooling architecture?
rack-oriented coolingin-rack cooling unitscooling architecturesthermal management - Question #98Cooling Systems in the Data Center
Which cooling architecture has the shortest air flow paths between the cooling unit and the IT equipment?
rack coolingairflow pathscooling efficiencyarchitecture comparison - Question #99Cooling Systems in the Data Center
Which cooling architecture attempts to eliminate hot spots within the data center by utilizing large volumes of air mixing throughout the space?
room coolinghot spotsair mixingairflow management - Question #100Power Systems in the Data Center
What is an advantage of a large floor mount systems?
floor mount systemssystem capacityequipment sizinginfrastructure design