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Viewing page 8 out of 10 pages
Viewing questions 71-80 out of questions
Questions # 71:

Click the Exhibit button.

Question # 71

This picture illustrates which type of cooling architecture?

Options:

A.

Hybrid

B.

Row

C.

Rack

D.

Room

Expert Solution
Questions # 72:

What are three benefits of row-oriented cooling architecture? (Choose three.)

Options:

A.

Predictable cooling

B.

Ease of deployment

C.

No raised floor required

D.

Reduced sensible heat ratio

E.

Increased mixing of air streams

Expert Solution
Questions # 73:

What are three core components of a standby generator? (Choose three.)

Options:

A.

Inverter

B.

Rectifier

C.

Governor

D.

Alternator

E.

Prime mover

Expert Solution
Questions # 74:

Which statement is correct about using Halon as a fire suppression agent in data centers?

Options:

A.

It is lethal to humans.

B.

It damages the ozone layer.

C.

It is corrosive to computer equipment.

D.

It is conductive and may cause computer faults.

Expert Solution
Questions # 75:

What defines a sub-panel?

Options:

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

Expert Solution
Questions # 76:

What defines a delta to wye transformer?

Options:

A.

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

B.

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

C.

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

D.

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

Expert Solution
Questions # 77:

What is the major weakness of a bar code card system?

Options:

A.

The cards are expensive.

B.

The cards interfere with RFID systems.

C.

It is relatively easy to duplicate the cards.

D.

Running a magnet next to a card reader will disrupt the accuracy of the reader.

Expert Solution
Questions # 78:

What is an advantage of choosing a four-post open frame rack over a two-post open frame rack?

Options:

A.

Lower cost

B.

Smaller footprint

C.

Easier assembly

D.

Increased strength

Expert Solution
Questions # 79:

Why are dry chemical fire extinguishers a poor practice for data center fire protection?

Options:

A.

They set off smoke alarms.

B.

They are corrosive to IT equipment.

C.

They cause condensation on equipment.

D.

They are ineffective against electrical fires.

Expert Solution
Questions # 80:

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

Options:

A.

Water cooled system

B.

Glycol cooled system

C.

Air cooled split system

D.

Air cooled self-contained system

Expert Solution
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