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APC DU0-001 - Data Center University Associate Certification

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Total 324 questions

During a power outage, a retail store is likely to exhibit which cost of downtime profile?

A.

Cost of downtime per hour remains the same.

B.

Cost of downtime per hour increases with time.

C.

Cost of downtime per hour decreases with time.

D.

Cost of downtime per hour is exponential with time.

What characteristic is common to all cooling architectures?

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

Based on individual network IP addresses, an enterprise management system (EMS) handles which type of information?

A.

Device centric

B.

Network centric

C.

Element centric

D.

Data point centric

What are two causes of impulsive transients? (Choose two.)

A.

Lightning strikes

B.

Generator switch-over

C.

Air conditioner starting up

D.

Electrostatic discharge (ESD)

Which risk is minimized when data center managers deploy network-critical physical infrastructure (NCPI) solutions?

A.

Downtime caused by power interruptions.

B.

Downtime caused by high speed storage.

C.

Downtime caused by poorly trained computer operators.

D.

Downtime caused by improper operational process documentation.

How long is the transfer to battery time for a double conversion online UPS?

A.

0 ms (0 cycles)

B.

8 ms (0.5 cycles)

C.

16 ms (1 cycle)

D.

500 ms (30 cycles)

A network-critical physical infrastructure (NCPI) Management strategy should incorporate what information at the rack level to ensure reliable IT equipment operation? (Choose two.)

A.

Rack "U" space

B.

Network switches

C.

Individual branch circuits

D.

Rack access to equipment

Which UPS configuration has the highest availability?

A.

Capacity

B.

Parallel redundant

C.

Isolated redundant

D.

Distributed redundant

Which three critical functions does grounding serve for a standby generator? (Choose three.)

A.

Prevents harmonics from affecting the IT load

B.

Provides a low-impedance electrical return path

C.

Prevents electrical shock during maintenance and/or repair

D.

Serves as a reference signal to the automatic transfer switch

E.

Ensures circuit breakers trip before electrical malfunctions develop into fires

"The degree to which a system or component is operational and accessible when required for use" is the definition for which term?

A.

Reliability

B.

Availability

C.

Serviceability

D.

Maintainability