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What would be a comprehensive strategy for protecting the most critical racks of a data center?

A.

Key access to the critical racks

B.

Video camera pointed directly at critical racks

C.

Iris scanner at the entrance to the data center

D.

Nested security perimeters with racks at the innermost level

Which statement describes the capability of a data cable installation?

A.

Category 5 cable can support 1 Gigabit Ethernet.

B.

Category 5e cable can support 1 Gigabit Ethernet

C.

Category 6a cable can support 10 Gigabit Ethernet.

D.

Category 6a cable can support 100 Gigabit Ethernet.

What is a disadvantage of air cooled self-contained systems?

A.

Higher capital costs for smaller installations

B.

Requires refrigerant piping to be installed in the field

C.

Often requires installation of duct work or dropped ceiling

D.

Introduces an additional source of liquid to the data center

Which cooling architecture attempts to eliminate hot spots within the data center by utilizing large volumes of air mixing throughout the space?

A.

Row

B.

Rack

C.

Room

D.

Ceiling

Which two practices help prevent data center fires? (Choose two.)

A.

Using an FM-200 clean agent

B.

Mandating a no-smoking policy

C.

Avoiding the use of acoustic foam

D.

Using trash receptacles without covers

What is an advantage of using a diesel fuel source for a standby generator?

A.

Cleaner burning fuel

B.

No fuel storage problems

C.

More hours of operation between engine overhauls

D.

Less engine preventative maintenance requirements

Which solution would remedy a power interruption?

A.

UPS

B.

Power line conditioner

C.

Power factor corrected power supply

D.

Transient voltage surge suppressor (TVSS)

Which method of heat transfer occurs when stepping barefoot onto hot pavement?

A.

Radiation

B.

Convection

C.

Conduction

D.

Evaporation

Which risk is minimized when data center managers deploy network-critical physical infrastructure (NCPI) solutions?

A.

Downtime caused by power interruptions.

B.

Downtime caused by high speed storage.

C.

Downtime caused by poorly trained computer operators.

D.

Downtime caused by improper operational process documentation.

What are three advantages of biometric access control? (Choose three.)

A.

Cannot be lost

B.

Inexpensive to deploy

C.

Difficult to fool the sensor

D.

Cannot be shared with others

E.

Always correctly identifies the user