DU0-001 Online Practice Questions and Answers

Which air distribution method is displayed in this picture?

A. Flooded supply, fully ducted return

B. Flooded supply, locally ducted return

C. Locally ducted supply, flooded return

D. Locally ducted supply, flooded return

What are three benefits of Inergen? (Choose three.)

A. It is non-conductive.

B. It has zero ozone depletion potential.

C. It has a low pressure delivery system.

D. It requires less storage tanks than Halon.

E. It is safe to discharge in an occupied area.

What would be a comprehensive strategy for protecting the most critical racks of a data center?

A. Key access to the critical racks

B. Video camera pointed directly at critical racks

C. Iris scanner at the entrance to the data center

D. Nested security perimeters with racks at the innermost level

What is a function of a transformer in a line interactive UPS?

A. To increase the power factor as the load increases

B. To increase harmonics by stepping down the output

C. To regulate output voltage as the input voltage varies

D. To provide low impedance for switched mode power supplies

Which are three examples of "what you know" access control? (Choose three.)

A. Password

B. Coded lock

C. Iris detection sensor

D. Speaking into a voice recognition sensor E. Use of keyboard commands to log in to a computer system

Which power distribution component is closest to the data center IT load?

A. Switchgear

B. Wet cell battery

C. Diesel generator

D. Uninterruptible power supply

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

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

A. Blackout

B. Brownout

C. Power drought

D. Power suppression

What is the load per rack where the room cooling architecture starts to become impractical?

A. 1 kW

B. 3 kW

C. 7 kW D. 10 kW

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

Where should applications that use side-to-side cooling or high cable densities be installed?

A. Seismic enclosure

B. 600 mm enclosures

C. 750 mm enclosures

D. Wall-mount enclosures

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

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.

Which is the most common high speed data network found in data centers?

A. FDDI

B. Arcnet

C. Ethernet

D. Token ring

Which two elements should be included in an effective NCPI management system? (Choose two.)

A. Defining owner roles

B. Monitoring of network traffic

C. Communicating data storage thresholds

D. Identifying the impact of individual component problems

When developing a management strategy, how long do organizations typically focus on fully implementing each management process before moving on to the next?

A. One to three months

B. Three to six months

C. Six to nine months

D. Nine to twelve months