Free Data Center University Associate Certification Practice Questions

A.  

Single-phase power excludes the use of three-phase power in the data center.

B.  

Single-phase power provides an effective means for delivering DC power to the data center.

C.  

Single-phase power is an effective choice of power supply when data center users require large volumes of power.

D.  

Single-phase power implies that power comes into the data center with one "hot" wire, along with accompanying neutral and ground.

A.  

Star

B.  

Ring

C.  

Tree

D.  

Wheel

A.  

System + system

B.  

Parallel redundant

C.  

Isolated redundant

D.  

Distributed redundant

A.  

Signals transmit further over fiber than copper.

B.  

Fiber is prone to electrical interference but copper is not.

C.  

Copper is more fragile than fiber when laying cable runs.

D.  

Signals over copper can travel at speeds approaching the speed of light.

A.  

Seismic zone

B.  

Server dimensions

C.  

Available mounting units

D.  

Ambient room temperature

A.  

Volume

B.  

Viscosity

C.  

Pressure

D.  

Conductivity

E.  

Temperature

A.  

Infrared humidifier

B.  

Ultrasonic humidifier

C.  

Electromagnetic humidifier

D.  

Steam canister humidifier

A.  

Cable capacity

B.  

Cooling requirements

C.  

Overhead fire sprinklers

D.  

Enclosure door clearance

A.  

Cleaner burning fuel

B.  

No fuel storage problems

C.  

More hours of operation between engine overhauls

D.  

Less engine preventative maintenance requirements

A.  

How long recovery from failure will take

B.  

How many employees will support the UPS

C.  

How much money is budgeted for IT equipment

D.  

How much money is flowing through the company every minute