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DU0-001 Exam Dumps - Data Center University Associate Certification

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Question # 41

The outlet of a perimeter CRAC unit is connected to duct work which feeds conditioned air to the aisle above the front of the IT equipment racks. No other air management devices are present in the space.

This is an example of which type of air distribution system?

A.

Flooded supply, flooded return

B.

Flooded supply, fully ducted return

C.

Flooded supply, locally ducted return

D.

Locally ducted supply, flooded return

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Question # 42

Click the Exhibit button.

Which type of power problem is illustrated in the exhibit?

A.

Harmonics

B.

Overvoltage

C.

Overcurrent

D.

Frequency variation

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Question # 43

Which NCPI management technique specifically addresses the challenge of maintaining spare equipment at compatible firmware revision levels to avoid downtime?

A.

Change management

B.

Capacity management

C.

Reliability management

D.

Availability management

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Question # 44

What are three core components of a standby generator? (Choose three.)

A.

Inverter

B.

Rectifier

C.

Governor

D.

Alternator

E.

Prime mover

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Question # 45

Which UPS configuration presents the fewest single points of failure?

A.

System + system

B.

Parallel redundant

C.

Isolated redundant

D.

Distributed redundant

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Question # 46

How do blanking panels improve cooling within an enclosure?

A.

By increasing the mixture of hot and cold air

B.

By increasing air intake through vented doors

C.

By directing exhaust heat into IT equipment intakes

D.

By limiting the recirculation of air into IT equipment

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Question # 47

Which statement illustrates a characteristic of nominal voltage?

A.

Nominal voltage is the voltage reference published by the power company.

B.

In most geographies, nominal voltage is fixed at either 380 V or 460 V.

C.

Nominal voltage is calculated based upon the load characteristics of the end user.

D.

Nominal voltage is the voltage that is supplied to the building and factors in power distribution losses.

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Question # 48

What is a result of an undervoltage condition?

A.

Transients

B.

Motors overheating

C.

Power distribution oversizing

D.

UPS frequency compensation

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