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Viewing questions 81-90 out of questions
Questions # 81:

Which two should be used as a basis for determining the UPS redundancy configuration? (Choose two.)

Options:
A.

Voltage level

B.

Cost of downtime

C.

Availability requirements

D.

Size of the electrical load

Questions # 82:

Click the Exhibit.

Question # 82

In the exhibit, which component is represented by the box with the arrow?

Options:
A.

Alternator

B.

Switchgear

C.

Sub feed panel

D.

Automatic transfer switch

Questions # 83:

Consider a data center installation where circuit panels are installed at the end of each row of IT racks. Conduit is then run from power distribution units (PDUs) to the circuit panels and then to a subset of connections to the racks.

What are the two primary advantages to this power cabling approach? (Choose two.)

Options:
A.

It improves electrical efficiency.

B.

Shorter electrical conduit makes it easier to manage.

C.

It is more resistant to physical accident in the data center.

D.

It is compatible of with all makes and models of racks / enclosures.

Questions # 84:

Which is an example of a row-oriented cooling architecture?

Options:
A.

Each cooling unit works to cool the load through a raised floor plenum.

B.

Each cooling unit is ceiling mounted and targets cool air to the cold aisles.

C.

Each cooling unit works directly to cool the heat load of a specific equipment rack.

D.

Each cooling unit is placed along the data center wall and cools the general air space.

Questions # 85:

What is an example of a standard building management system (BMS) protocol?

Options:
A.

IPV6

B.

TCP/IP

C.

MODBUS

D.

10/100 BASE-T

Questions # 86:

What is defined as the force of electricity moving through a circuit?

Options:
A.

Volt

B.

Amp

C.

Ohm

D.

Frequency

Questions # 87:

How do blanking panels improve cooling within an enclosure?

Options:
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

Questions # 88:

Which data center network-critical physical infrastructure (NCPI) component has the ability to control relative humidity?

Options:
A.

Rack enclosure

B.

Fire suppression system

C.

Uninterruptible power supply (UPS)

D.

Computer room air conditioner (CRAC)

Questions # 89:

What are three functions of a data center fire protection system? (Choose three.)

Options:
A.

Detect the presence of a fire

B.

Automatically opens all fire doors

C.

Suppress the fire and limit any damage

D.

Communicate the threat of fire to occupants and authorities

E.

Automatically activate the emergency power off (EPO) button

Questions # 90:

What are two primary challenges for optimizing lifecycle costs with regard to rack systems? (Choose two.)

Options:
A.

Structural integrity

B.

Non-standardized racks

C.

Slow speed of deployment

D.

Floor space requirements

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