APC DU0-001 NCPI Exam Practice Test Instant Access

Question 1

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

AIt pulls air from cold aisles and directs it to side equipment inlets.

BIt pulls air from the sides of the enclosure and directs it through the top.

CIt pulls air from the sides of the enclosure and directs it to the hot aisles.

DIt pulls air from the raised floor and directs it through the sides of the
enclosure.

Answer : A

Question 2

Which two would be used for biometric access control? (Choose two.)

AVoice

BFingerprint

CSmart cards

DPersonal identification number

Answer : A, B

Question 3

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

ATo increase the power factor as the load increases

BTo increase harmonics by stepping down the output

CTo regulate output voltage as the input voltage varies

DTo provide low impedance for switched mode power supplies

Answer : C

Question 4

Cooling towers are a typical component of which heat rejection system?

AWater cooled system

BGlycol cooled system

CAir cooled split system

DAir cooled self-contained system

Answer : A

Question 5

Typical data centers function to what percent of their capacity?

A10%

B33%

C66%

D75%

Answer : B

Question 6

What is the minimum number of UPS modules used in a distributed redundant

configuration?

AOne

BTwo

CFour

DThree

Answer : D

Question 7

What is the actual horizontal mounting hole spacing (center-to-center) based

on the EIA-310 standard for 482.6 mm (19 inch) racks?

A450 mm (17.72 inches)

B465 mm (18.31 inches)

C482.6 mm (19 inches)

D495.3 mm (19.5 inches)

Answer : B

APC DU0-001 Data Center University Associate NCPI Exam Practice Test