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Questions 61

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

Options:

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.

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Questions 62

What is the function of a circuit breaker?

Options:

A.

To distribute power from the UPS to critical loads

B.

To filter harmonics caused by non-power factor corrected computer loads

C.

To protect electrical equipment from damage caused by overload or short circuit

D.

To balance the loads in the data center to prevent stray currents on the ground wire

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Questions 63

What characteristic is common to all cooling architectures?

Options:

A.

Deployable with on a raised floor

B.

Top or bottom airflow configuration

C.

Cooling equipment occupies white space

D.

Easily adaptable with changes in infrastructure

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Questions 64

Which method of heat transfer causes electromagnetic waves?

Options:

A.

Radiation

B.

Convection

C.

Conduction

D.

Evaporation

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Questions 65

Which approach is used to redundantly power IT servers?

Options:

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

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Questions 66

What is an indirect cost of downtime that is difficult to quantify?

Options:

A.

Legal fees

B.

Lost revenues

C.

Idle employees

D.

Damaged brand perception

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Questions 67

How does a rack-mounted side air distribution unit improve air flow?

Options:

A.

It pulls air from cold aisles and directs it to side equipment inlets.

B.

It pulls air from the sides of the enclosure and directs it through the top.

C.

It pulls air from the sides of the enclosure and directs it to the hot aisles.

D.

It pulls air from the raised floor and directs it through the sides of the enclosure.

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Questions 68

Which statement defines "service entrance"?

Options:

A.

The switchgear delivering AC power to a UPS

B.

The secondary side of a transformer at 208 V or 230 V

C.

The point at which power is distributed from a panel board to a receptacle or local power distribution within an IT enclosure

D.

The point where the responsibility of the electrical power infrastructure shifts from the utility company to the owner or tenants of the building

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Questions 69

Seismic enclosures are designed to protect installed equipment from what hazards?

Options:

A.

Earthquakes

B.

Liquids

C.

Dusty environments

D.

Fire or excessive heat

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Questions 70

Tracking achievement against agreed upon service levels is an example of which specific management process?

Options:

A.

Planned down time

B.

Infrastructure improvement

C.

Availability metrics reporting

D.

Advanced warning for failure

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Exam Code: DU0-001
Exam Name: Data Center University Associate Certification
Last Update: Jun 24, 2024
Questions: 324

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