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APC DU0-001 - Data Center University Associate Certification

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Page: 8 / 10
Total 324 questions

Undervoltage is a more technically accurate term to describe what event?

A.

Blackout

B.

Brownout

C.

Power drought

D.

Power suppression

What represents a direct cost of downtime when an outage occurs in the data center?

A.

Brand perception is damaged.

B.

Revenue streams are slowed or stopped.

C.

Data center personnel need to be retrained.

D.

Software needs to be upgraded to latest versions.

What are three elements of the network-critical physical infrastructure (NCPI)? (Choose three.)

A.

Racks

B.

Power

C.

Cooling

D.

Storage

E.

Servers

Which NCPI change management challenge is faced when optimizing business agility?

A.

Maximizing the ratio of rack efficiency to cost over runs.

B.

Maximizing the ratio of the UPS to batteries needed for uptime.

C.

Maximizing the ratio of planned to unplanned work in a data center.

D.

Maximizing the ratio of leak detection to computer room air conditioners.

In which heat rejection system is the condenser located outside of the CRAC unit?

A.

Water cooled system

B.

Glycol cooled system

C.

Air cooled DX system

D.

Air cooled self-contained system

What are the three basic physical security categories that describe technologies for personnel identification? (Choose three.)

A.

Who you are

B.

Where you are

C.

What you have

D.

Who you know

E.

What you know

What two characteristics can result in poor performance of network cables? (Choose two.)

A.

Tie wraps that are too tight

B.

Vertical cable management

C.

A bend radius that is too small

D.

An overhead deployment with cables run in troughs

Which capacity management technique addresses power, rack space, cooling, and cabling needs?

A.

Tracking server and infrastructure performance in high heat areas

B.

Maintaining status quo of the data center infrastructure

C.

Building the data center infrastructure with a raised floor environment

D.

Optimizing physical infrastructure layout of existing and new equipment

What is the main advantage of using a wider than standard enclosure (over 600 mm)?

A.

Supports more servers

B.

Provides additional U space

C.

Increases space for network cabling

D.

Improves strength for seismic applications

What is a common limiting factor when specifying a 48U rack / enclosure?

A.

Ceiling height

B.

Cable capacity

C.

Cooling requirements

D.

Enclosure door clearance