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Top Tips for Passing the APC DU0-001 Exam on Your First Try

Questions 71

What is the worldwide recognized standard for equipment mounting spacing for 482.6 mm (19 inch) equipment?

Options:

A.

EIA-310

B.

UL 1778

C.

CSA C22.2

D.

NEBS GR-63-CORE

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Questions 72

Why will touching a doorknob after walking across a carpet only cause a slightly painful spark, but touching a live utility wire inside the data center could cause death?

Options:

A.

The utility company's voltage is much higher than that of the spark.

B.

The spark generates DC power but the utility company generates AC power.

C.

The current available from a spark is much less than the current available from the utility company.

D.

The human skin has a high enough resistance to keep from being hurt from the spark's voltage but not from the utility company's voltage.

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Questions 73

Which statement best describes how a row-oriented cooling architecture optimizes the operational efficiency within the data center?

Options:

A.

Row-oriented architecture allows cooling capacity to be matched to the heat load within each zone.

B.

Row-oriented architecture requires two cooling units per enclosure, creating a desirable oversizing scenario.

C.

Row-oriented architecture cools all rows of the data center while generating additional conditioned air for the adjacent office areas.

D.

Row-oriented architecture requires large volume of air mixing to reduce the return air temperature, driving up cooling system capacity.

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Questions 74

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

Options:

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

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Questions 75

Which two UPS topologies are used for UPS systems that supply at least 50 kW? (Choose two.)

Options:

A.

Standby

B.

Standby - ferro

C.

Delta conversion online

D.

Double conversion online

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Questions 76

Why are dry chemical fire extinguishers a poor practice for data center fire protection?

Options:

A.

They set off smoke alarms.

B.

They are corrosive to IT equipment.

C.

They cause condensation on equipment.

D.

They are ineffective against electrical fires.

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Questions 77

Which method transfers heat through a solid material?

Options:

A.

Radiation

B.

Convection

C.

Conduction

D.

Evaporation

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Questions 78

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

Options:

A.

Standby

B.

High speed relay

C.

Delta conversion online

D.

Double conversion online

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Questions 79

Which temperature range is optimal for the proper function of a data center?

Options:

A.

62-65F (17-18C)

B.

72-75F (22-24C)

C.

82-85F (28-29C)

D.

92-95F (33-35C)

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Questions 80

Which power distribution component is closest to the data center IT load?

Options:

A.

Switchgear

B.

Wet cell battery

C.

Diesel generator

D.

Uninterruptible power supply

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Exam Code: DU0-001
Exam Name: Data Center University Associate Certification
Last Update: Jun 20, 2024
Questions: 324

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