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How do blanking panels improve cooling within an enclosure?

A.

By increasing the mixture of hot and cold air

B.

By increasing air intake through vented doors

C.

By directing exhaust heat into IT equipment intakes

D.

By limiting the recirculation of air into IT equipment

In order to determine the most appropriate UPS configuration for your business, which two factors should be considered? (Choose two.)

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

Which NCPI component protects the data center during long duration outages (several hours to days)?

A.

Generator

B.

Static UPS

C.

Flywheel UPS

D.

Automatic transfer switch

What is the purpose of the governor as a primary component of a standby generator?

A.

Regulates output voltage and frequency

B.

Maintains constant RPM of the prime mover

C.

Converts mechanical energy from the prime mover into alternating current

D.

Receives a signal from the automatic transfer switch to initiate the start of the prime mover

How is the problem of Electro-Static Discharge(ESD) in the data center solved?

A.

By installing TVSS devices

B.

By installing RCD breakers in the PDU

C.

By connecting bimetallic strips to all racks

D.

By insulating IT equipment with rubber bushings

How does the parallel redundant UPS configuration differ from an isolated redundant UPS configuration?

A.

A parallel redundant configuration is considered N+1 and an isolated redundant configuration is considered 2N.

B.

A parallel redundant configuration requires a static bypass switch and an isolated redundant configuration does not.

C.

A parallel redundant configuration eliminates downstream single points of failure and an isolated redundant configuration does not.

D.

A parallel redundant configuration requires models of the same capacity from the same manufacturer and isolated redundant does not.

Why will touching a doorknob after walking across a carpet only cause a slightly painful spark, but touching a live utility wire inside the data center could cause death?

A.

The utility company's voltage is much higher than that of the spark.

B.

The spark generates DC power but the utility company generates AC power.

C.

The current available from a spark is much less than the current available from the utility company.

D.

The human skin has a high enough resistance to keep from being hurt from the spark's voltage but not from the utility company's voltage.

In network data cabling, what is currently the medium of choice for short cable runs?

A.

Arcnet

B.

Copper

C.

Ethernet

D.

Twisted pair

What is the worldwide recognized standard for equipment mounting spacing for 482.6 mm (19 inch) equipment?

A.

EIA-310

B.

UL 1778

C.

CSA C22.2

D.

NEBS GR-63-CORE

What defines a sub-panel?

A.

An enclosure consisting of buss-bars and circuit breakers located at the service entrance to a building B. An enclosure consisting of buss-bars and circuit breakers with the fundamental purpose of distributing power to receptacles and the load

B.

An enclosure consisting of buss-bars and circuit breakers designed to accept two sources of power and operate as a best source selector

C.

An enclosure consisting of buss-bars and draw-out circuit breakers with the fundamental purpose of distributing power to branch distribution panels