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DU0-001 APC Data Center University Associate Certification Free Practice Exam Questions (2025 Updated)

Prepare effectively for your APC DU0-001 Data Center University Associate Certification certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 324 questions

What are the three basic principles of identification from LEAST secure (1) to MOST secure (3)?

A.

(1) what you know, (2) what you have, (3) who you are

B.

(1) what you know, (2) who you are, (3) what you have

C.

(1) what you have, (2) who you are, (3) what you know

D.

(1) what you have, (2) what you know, (3) who you are

Which two does the network-critical physical infrastructure (NCPI) management system monitor at the rack level? (Choose two.)

A.

The monitoring of a chiller at the rack level.

B.

The monitoring of comfort cooling at the rack level.

C.

The monitoring of supplemental cooling devices at the rack level.

D.

The monitoring of rack based transfer switches at the rack level.

What is one cause of oscillatory transients?

A.

Lightning strikes

B.

Non-unity power factors

C.

Motors turning on and off

D.

Static electricity discharges

What is a common concern when specifying the depth of a rack / enclosure?

A.

Seismic zone

B.

Server dimensions

C.

Available mounting units

D.

Ambient room temperature

Chilled water produced by a chiller is typically within which temperature range?

A.

34 - 38 F (1 - 3 C)

B.

44 - 48 F (6 - 9 C)

C.

56 - 60 F (13 - 16 C)

D.

70 - 74 F (21 - 23 C)

A co-location company invested huge amounts of capital to develop a solid, high security infrastructure and planned for "worse case" in terms of capacity.

What are two possible reasons this company failed? (Choose two.)

A.

They tied up unnecessary capital.

B.

The power capacity forecast was underestimated.

C.

They could not adapt to changing customer needs.

D.

They ran out of floor space to host additional clients.

According to the Ideal Gas Law, what happens to the temperature and pressure inside an aerosol can that is being sprayed?

A.

Temperature and pressure both increase.

B.

Temperature and pressure are decreased.

C.

Temperature and pressure are unchanged.

D.

Temperature is unchanged and pressure is decreased.

Which scenario illustrates a data center's agility?

A.

A data center is built out to final design capacity.

B.

A data center is designed with one hour of runtime.

C.

A data center is designed with interchangeable power distribution.

D.

A data center is configured with 50% AC power and 50% DC power in anticipation of loads.

A power line conditioner can compensate for which two events?

A.

DC offset

B.

Interruptions

C.

Current increases

D.

Voltage fluctuations

Which approach is used to redundantly power IT servers?

A.

Dual power whips

B.

Dual cord, dual power supply

C.

Both 120 V and 208 V circuits

D.

Both solid and stranded copper cables

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

What are two circuit breaker types found in a building or data center? (Choose two.)

A.

Thermal

B.

Magnetic

C.

Fast-acting

D.

Photovoltaic

The highest density per rack heat loads should be cooled with which cooling architecture?

A.

Row

B.

Rack

C.

Room

D.

Building

What does NFPA mean?

A.

National Fire Prevention Agency

B.

National Flammable Protection Act

C.

National Fire Protection Association

D.

National Firefighter & Paramedic Alliance

Which three statements describe a circuit breaker? (Choose three.)

A.

It regulates voltage.

B.

It is a type of switch.

C.

It serves as a best source selector.

D.

It comes in a wide range of voltages and amps.

E.

It is designed to protect electrical equipment from damage caused by overload or short circuit.

Which management strategy is concerned with returning to the normal service levels as defined in a negotiated service level agreement (SLA)?

A.

Incident management

B.

Change management

C.

Capacity management

D.

Availability management

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.

What is a disadvantage of air cooled self-contained systems?

A.

Higher capital costs for smaller installations

B.

Requires refrigerant piping to be installed in the field

C.

Often requires installation of duct work or dropped ceiling

D.

Introduces an additional source of liquid to the data center

Which is an example of a rack-oriented cooling architecture?

A.

A cooling unit is located in the ceiling plenum to cool the data center racks.

B.

A cooling unit is located within the rack itself to cool the contents of that rack.

C.

A cooling unit utilizes perforated raised floor tiles to deliver cool air to the rack.

D.

A cooling unit is located along the perimeter wall of the data center to cool a specific zone of racks.

Which UPS topology uses a transfer switch between the primary power source and the inverter?

A.

Standby

B.

High speed relay

C.

Delta conversion online

D.

Double conversion online

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Total 324 questions
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