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Questions 41

What are the three stages of combustion? (Choose three.)

Options:
A.

Incipient

B.

Back draft

C.

Thermal flux

D.

Intense heat

E.

Visible smoke

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Questions 42

What is an advantage of ceiling mount systems?

Options:
A.

They plug into wall outlets

B.

They provide the highest capacity units

C.

They rapidly redeploy to a different location

D.

They do not take away from IT equipment space

Questions 43

What is the core management component of any fire protection system?

Options:
A.

Fire control panel

B.

Intelligent smoke detector

C.

Energy management system

D.

Building management system

Questions 44

Which type of smoke detector has the highest sensitivity to particles of combustion (capable of detecting concentrations as low as 0.003% obstruction per foot)?

Options:
A.

Duct smoke detector

B.

Spot type smoke detector

C.

Ionization smoke detector

D.

Air sampling smoke detector

Questions 45

Which statement describes the system + system redundant configuration?

Options:
A.

Identical UPS systems are required.

B.

It is the most expensive configuration.

C.

Only single corded loads can be supported.

D.

Design capacities are much smaller than other configurations.

Questions 46

Which two statements describe the parallel redundant UPS configuration? (Choose two.)

Options:
A.

It uses older and outdated technology.

B.

The parallel redundant UPS configuration is not scalable.

C.

If one UPS module goes down, the other UPS module(s) assumes the load.

D.

Both modules must be the same design, manufacturer, rating, technology, and configuration.

Questions 47

Which two does the network-critical physical infrastructure (NCPI) management system monitor at the rack level? (Choose two.)

Options:
A.

The monitoring of a chiller at the rack level.

B.

The monitoring of comfort cooling at the rack level.

C.

The monitoring of supplemental cooling devices at the rack level.

D.

The monitoring of rack based transfer switches at the rack level.

Questions 48

During a power outage, a semi-conductor manufacturing plant is likely to exhibit which cost of downtime profile?

Options:
A.

Cost of downtime per hour remains the same.

B.

Cost of downtime per hour increases with time.

C.

Cost of downtime per hour decreases with time.

D.

Cost of downtime per hour is exponential with time.

Questions 49

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

Options:
A.

Fingerprint

B.

Smart card

C.

Badge with photo

D.

Badge with bar code

E.

Personal identification number

Questions 50

Which benefit is provided when air distribution methods return the warmest air to the CRAC units?

Options:
A.

Decreased heat load in the data center

B.

Increased capacity of the cooling system

C.

Maximized mixing of supply and return air

D.

Elimination of resistance created by underfloor cables

Exam Code: DU0-001
Certification Provider: APC
Exam Name: Data Center University Associate Certification
Last Update: Jan 24, 2025
Questions: 324

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