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APC DU0-001 - Data Center University Associate Certification

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Page: 4 / 10
Total 324 questions

Which two choices would ease the maintenance and serviceability of equipment in a data center? (Choose two)

A.

Underfloor cabling

B.

Proper cable management

C.

Split rear doors to allow for easier access

D.

Unique enclosures to meet specific equipment needs

Your data center has a 75 kW load and is located in a building that would require long distances between the indoor and outdoor cooling units. There is no cooling tower available and reducing capital cost is a priority.

Which heat rejection method should be used?

A.

Chilled water system

B.

Water cooled system

C.

Glycol cooled system

D.

Air cooled split system

Which two should be used as a basis for determining the UPS redundancy configuration? (Choose two.)

A.

Voltage level

B.

Cost of downtime

C.

Availability requirements

D.

Size of the electrical load

What are two primary challenges for optimizing lifecycle costs with regard to rack systems? (Choose two.)

A.

Structural integrity

B.

Non-standardized racks

C.

Slow speed of deployment

D.

Floor space requirements

Which data center network-critical physical infrastructure (NCPI) component has the ability to control relative humidity?

A.

Rack enclosure

B.

Fire suppression system

C.

Uninterruptible power supply (UPS)

D.

Computer room air conditioner (CRAC)

What is the most likely cause of unreliability in biometric technology?

A.

Spoofing by an imposter

B.

Failure of the scanning device

C.

Failure to recognize a legitimate user

D.

Incorrect recognition (user recognized as the wrong person)

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

A.

Legal fees

B.

Lost revenues

C.

Idle employees

D.

Damaged brand perception

What represents the optimum scenario for investing in network-critical physical infrastructure (NCPI) technologies?

A.

NCPI cost is low and the risk/cost of downtime is high.

B.

NCPI cost is high and the risk/cost of downtime is low.

C.

The projected cost of downtime has not yet been established.

D.

Oversize the initial NCPI investment to minimize the possibility of downtime.

Which management challenge can provide advance warning for failure?

A.

Change management

B.

Incident management

C.

Capacity management

D.

Availability management

What is an advantage of using natural gas as a fuel source for a standby generator?

A.

Reduced fire hazard

B.

Easy on-site storage

C.

Minimum carbon build-up

D.

More hours of operation between overhauls