DU0-001 Exam Questions
240 real DU0-001 exam questions with expert-verified answers and explanations. Page 3 of 5.
- Question #101Introduction to Data Center Infrastructure
What is an advantage of ceiling mount systems?
ceiling mountsspace optimizationdata center infrastructurephysical layout - Question #102Cooling Systems in the Data Center
Your data center has a 75 KW load and is located in a building that would require long distances between the indoor and outdoor cooling units. There is no cooling tower available a...
Heat rejection methodsGlycol cooling systemsLong-distance cooling infrastructureCapital cost optimization - Question #103Cooling Systems in the Data Center
In which heat rejection system is the condenser located outside of the CRAC unit?
heat rejection systemscondenser locationair-cooled DXCRAC configuration - Question #104Cooling Systems in the Data Center
Fluid coolers and pump packages are components of which heat rejection system?
glycol coolingfluid coolerheat rejectionpump package - Question #105Cooling Systems in the Data Center
Chilled water produced by a chiller is typically within which temperature range?
chilled water systemschiller specificationscooling system componentsHVAC temperature ranges - Question #106Cooling Systems in the Data Center
The highest density per rack heat loads should be cooled with which cooling architecture?
rack coolinghigh-density coolingcooling architectureheat load management - Question #107Cooling Systems in the Data Center
This picture illustrates which type of cooling architecture?
Cooling ArchitectureRack CoolingData Center Thermal ManagementHVAC Systems - Question #108Cooling Systems in the Data Center
How can low humidity have a negative impact on the data center environment?
Static electricityHumidity controlESD protectionEnvironmental conditions - Question #109Cooling Systems in the Data Center
What is a primary impact of high humidity in the data center?
humidity controlequipment corrosionenvironmental conditionscomponent degradation - Question #110Cooling Systems in the Data Center
Which statement describes a key characteristic of humidity?
humiditywater vapor capacitytemperature-moisture relationshippsychrometrics - Question #111Cooling Systems in the Data Center
Which data center network-critical physical infrastructure (NCPI) component has the ability to control relative humidity?
CRAC unitshumidity controldata center coolingenvironmental management - Question #112Cooling Systems in the Data Center
Half of the room's CRACs are adding humidity, while the other half of the CRACs are working to reduce the humidity in the room.What is this phenomenon called?
Demand fightingCRAC efficiencyHumidity controlCooling systems - Question #113Cooling Systems in the Data Center
Which external factor will affect the level of moisture in the data center?
outside airhumiditymoisture controlenvironmental factors - Question #114Cooling Systems in the Data Center
How do non-insulated water pipes impact humidity in the data center?
humidity controlcondensationcooling systemsenvironmental conditions - Question #115Data Center Design Principles
When constructing a new data center, what is a best practice for controlling the influence of outside humidity?
vapor barrierhumidity controlconstruction best practicesenvelope sealing - Question #116Cooling Systems in the Data Center
When monitoring humidity levels in the data center, where is the single most important place to measure the humidity?
Humidity MonitoringAir Intake ConditionsEnvironmental ControlCooling Systems - Question #117Cooling Systems in the Data Center
What does the term "short cycling" mean?
short cyclingCRAC systemsair distributioncooling bypass - Question #118Cooling Systems in the Data Center
Which type of humidification system rapidly vibrates water to create a fog or mist that is introduced into the air?
Ultrasonic humidificationHumidity controlCooling systemsEnvironmental controls - Question #119Cooling Systems in the Data Center
Which statement describes the term "saturation point"?
Relative HumiditySaturation PointAir PropertiesCooling Fundamentals - Question #120Cooling Systems in the Data Center
What characterizes the effect of high humidity levels in the data center?
humidity controlequipment corrosionenvironmental conditionsHVAC management - Question #121Cooling Systems in the Data Center
Which statement is true about humidity?
Relative humidityWater vaporAir saturationPsychrometrics - Question #122Cooling Systems in the Data Center
What are the four operating modes of CRAC units?
CRAC operating modestemperature controlhumidity managementdata center climate - Question #123Cooling Systems in the Data Center
Which relative humidity range is considered optimal in data centers?
humidity managementenvironmental standardscooling systemsHVAC - Question #124Introduction to Data Center Infrastructure
What is the worldwide recognized standard for equipment mounting spacing for 482.6 mm (19 inch) equipment?
19-inch rack mountingEIA-310 standardequipment spacinginfrastructure standards - Question #125Introduction to Data Center Infrastructure
What is the actual horizontal mounting hole spacing (center-to-center) based on the EIA-310 standard for 482.6 mm (19 inch) racks?
EIA-310horizontal spacingrack dimensionsmounting holes - Question #126Data Center Physical Security
Which type of rack/enclosure would be used for large servers in a high traffic area where security may be an issue?
enclosure typesphysical securityinfrastructure selectionserver deployment - Question #127Introduction to Data Center Infrastructure
Which rack / enclosure would be used for limited space with just one or two pieces of small equipment?
enclosure typeswall-mount systemsspace constraintsequipment housing - Question #128Introduction to Data Center Infrastructure
What is a common limiting factor when specifying a 48U rack / enclosure?
rack specificationsceiling height constraintsphysical space planningfacility design - Question #129Data Center Design Principles
What is a limiting factor when specifying the height of a rack / enclosure?
Fire suppressionRack height specificationsPhysical constraintsSafety compliance - Question #130Cooling Systems in the Data Center
Which type of rack / enclosure would you select if you wanted to rely on natural convection to dissipate heat from your equipment?
natural convectionopen frame rackheat dissipationenclosure types - Question #131Introduction to Data Center Infrastructure
Which standard ensures physical compatibility between racks, enclosures, and rack mounted equipment?
Rack StandardsPhysical CompatibilityInfrastructure StandardsEquipment Mounting - Question #132Introduction to Data Center Infrastructure
What is the actual vertical hole spacing (center-to-center) based on the EIA-310 standard for one mounting unit or U?
EIA-310 standardRack mountingVertical hole spacing1U spacing - Question #133Data Center Design Principles
What is an advantage of using racks with threaded holes?
rack designthreaded holesinstallation speeddeployment efficiency - Question #134Introduction to Data Center Infrastructure
What are two reasons for choosing enclosures with square holes and cage nuts? (Choose two.)
cage nutssquare holesrack installationmounting rails - Question #135Data Center Physical Security
Seismic enclosures are designed to protect installed equipment from what hazards?
seismic enclosuresearthquake protectionequipment resilienceenvironmental hazards - Question #136Data Center Management and Operations
How does poor network cable management within an IT rack lead to IT equipment damage?
cable managementairflow obstructionthermal managementrack operations - Question #137Data Center Management and Operations
What are two primary challenges for optimizing lifecycle costs with regard to rack systems? (Choose two.)
rack standardizationlifecycle cost optimizationequipment compatibilityoperational efficiency - Question #138Data Center Design Principles
Which type of application typically utilizes an enclosure wider than 600 mm?
Enclosure dimensionsEquipment sizingNetwork cabling infrastructureRack standards - Question #139Cooling Systems in the Data Center
Which rack accessory prevents exhaust air from being recirculated and entering equipment intakes?
blanking panelsexhaust recirculationhot/cold aisle containmentairflow management - Question #140Cooling Systems in the Data Center
What is the recommended orientation of airflow through an enclosure populated with servers to provide the most effective cooling?
airflow directionserver coolingthermal managementhot-aisle/cold-aisle - Question #141Data Center Management and Operations
Which two choices would ease the maintenance and serviceability of equipment in a data center? (Choose two)
cable managementequipment serviceabilityphysical accessdata center maintenance - Question #142Cooling Systems in the Data Center
To formulate proper cooling patterns in data centers, how should racks be arranged?
hot-cold aisle containmentthermal managementrack placementairflow design - Question #143Data Center Management and Operations
What are three critical considerations when managing IT equipment operations at the rack level? (Choose three.)
Rack PDU ManagementIT Equipment OperationsData Center SecurityPower Monitoring - Question #144Data Center Design Principles
What are the two features of enclosures that optimize adaptability when reconfiguring room layouts?
Field-reversible doorsEnclosure designLayout adaptabilityPhysical reconfiguration - Question #145Introduction to Data Center Infrastructure
What is one positive effect of using standardized racks / enclosures that are universally compatible with vendors' equipment?
Standardized RacksVendor CompatibilityLifecycle CostsEquipment Economics - Question #146Cooling Systems in the Data Center
How do blanking panels improve cooling within an enclosure?
blanking panelsair recirculationairflow managementhot/cold aisle - Question #147Data Center Networking Basics
Which represents the highest expense when pricing out a cabling solution?
cabling infrastructureinstallation labor costsinfrastructure pricingnetworking equipment - Question #148Power Systems in the Data Center
Regarding power cabling, what is the minimum number of wires in a factory configured power whip?
power cablingfactory configured whipselectrical standardspower distribution - Question #149Power Systems in the Data Center
Which approach is used to redundantly power IT servers?
redundant powerdual power supplyserver availabilitypower infrastructure - Question #150Power Systems in the Data Center
What statement accurately describes the term "'continuous load"?
continuous loadpower terminologyload durationelectrical classification