Data Center University Associate Certification (DU0-001) Free Practice Test

Question 1

The Ideal Gas Law governs the relationship of which three state variables? (Choose three.)

A. Conductivity

B. Volume

C. Temperature

D. Viscosity

E. Pressure

Correct Answer: B,C,E

Question 2

A previously built data center inherited the existing wet pipe sprinkler system. There are smoke detectors in the data center and the local authority having code jurisdiction mandates a sprinkler system in the data center.
How can you further protect the data center's IT equipment while meeting the mandated requirements?

A. Install heat detectors next to each of the sprinkler heads and then connect them to the fire control panel.

B. Replace the wet-pipe sprinkler system with a FM-200 system.

C. Replace the wet-pipe sprinkler system with a pre-action system.

D. Install linear heat detectors along the cable trays in addition to the existing sprinkler system.

Correct Answer: C

Question 3

What is the recommended orientation of airflow through an enclosure populated with servers to provide the most effective cooling?

A. Top-to-bottom

B. Back-to-front

C. Side-to-side

D. Front-to-back

Correct Answer: D

Question 4

Which two types of cables would you expect to see used in a network backbone?(Choose two.)

A. Power cables

B. Fiber optic cables

C. Category 5/5e/6a cables

D. Audio / video cables

Correct Answer: B,C

Question 5

What are three critical considerations when managing IT equipment operations at the rack level?
(Choose three.)

A. Generator availability

B. Sound insulation

C. Power conditions of rack PDUs

D. Status of rack PDUs

E. Security breaches

Correct Answer: C,D,E

Question 6

What defines a delta to wye transformer?

A. Takes in three-phases, neutral, and ground; outputs three-phases, neutral, and ground

B. Takes in three-phases and ground; outputs three-phases and ground

C. Takes in three-phases, neutral, and ground; outputs three-phases and ground

D. Takes in three-phases and ground; outputs three-phases, neutral, and ground

Correct Answer: D

Question 7

What are two circuit breaker types found in a building or data center? (Choose two.)

A. Photovoltaic

B. Thermal

C. Fast-acting

D. Magnetic

Correct Answer: B,D

Question 8

A coded lock is an example of which general type of access control?

A. What you know

B. Where you are

C. Who you are

D. What you have

Correct Answer: A

Question 9

Which method transfers heat through a solid material?

A. Convection

B. Evaporation

C. Conduction

D. Radiation

Correct Answer: C

Question 10

What are two advantages of the distributed redundant UPS configuration? (Choose two.)

A. It uses dual power paths for dual corded servers.

B. It is the easiest configuration to manage.

C. It has increased reliability by eliminating the static transfer switches (STS).

D. Equipment can be maintained without transferring the load to the bypass.

Correct Answer: A,D

Question 11

What is the primary security disadvantage of a bar code card?

A. High cost

B. Easy to counterfeit

C. Does not have a picture

D. Easily damaged

Correct Answer: B

Question 12

What are two common UPS topologies? (Choose two.)

A. Double conversion on-line

B. Standard interactive

C. Delta interactive

D. Standby

Correct Answer: A,D

Question 13

Given a constant voltage, as the amperage increases, what must happen to the cross-sectional area of a wire?

A. Nothing, since the voltage has not changed.

B. It needs to be smaller.

C. It needs to be larger.

D. It decreases with the square of the current.

Correct Answer: C

Question 14

A power line conditioner can compensate for which two events?

A. DC offset

B. Current increases

C. Voltage fluctuations

D. Interruptions

Correct Answer: A,C

Question 15

Which two characteristics do all static UPS topologies share? (Choose two.)

A. A single-phase input

B. An inverter

C. A battery

D. A transfer switch

Correct Answer: B,C

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APC Data Center University Associate Certification (DU0-001) Free Practice Test