The building requires sprinklers and is equipped with a wet-pipe system. What action should you recommend for the computer room?
A. Replace the wet-pipe system with a dry-pipe system
B. Replace the wet-pipe system with a deluge system
C. Replace the wet-pipe system with a pre-action system
D. Maintain the current wet-pipe system
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
What precaution shall be taken for cabling leading into an equipment rack when a data center is in a seismic- prone area?
A. Cables should be loosely organized to allow for movement and be latched at the connectors.
B. Cables shall be tightly organized to the rack and trays to avoid movement.
C. Cables should be replaced by busbar trunking.
D. Cables can be organized in any way as it is not important.
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
From the options indicated, what is the correct starting point for the raised floor installation?

A. Point A
B. Point D
C. Point C
D. Point B
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
You are working with a customer who requires a guarantee that THDi levels coming from the UPS should not exceed more than 3% THDi. Furthermore, he wants to run a power-efficient data center. The UPS has a 6- Pulse SCR/Thyristor based rectifier. The current load on the UPS is approximately 80%. The customer indicates they are not expecting any changes on the ICT infrastructure for the next 3 years.
What should you recommend?
A. Install an active harmonic filter on the UPS
B. Install an isolation transformer rated at K13 or K20
C. Nothing, the UPS will be able to take care of the right levels of THDi
D. Install a passive harmonic filter on the UPS
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
The temperature in the computer room is being increased from 18°C/64°F to 27°C/81°F.
What is the impact, if any, on the amount of gas required to suppress a fire assuming the gas is a Halocarbon?
A. The amount of gas required will be higher
B. The amount of gas required will be lower
C. The change to the amount of gas cannot be determined without knowing the change in humidity as well
D. The amount of gas required will not change
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 6:
The temperature in the computer room is increased from 18 °C (64 °F) to 27 °C (81 °F). What is the impact on the amount of gas required to suppress a fire assuming a halocarbon agent?
A. The change cannot be determined without knowing the change in humidity as well
B. The amount of gas required will be higher
C. The amount of gas required will be less
D. The amount of gas required will not change
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
質問 7:
What is the preferred way to measure dust levels in the computer room?
A. By taking dust samples under the raised floor
B. With an air particle hand-held analyzer
C. By opening up equipment for inspection
D. With test coupons
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 8:
A data center scores Rated-3 in mechanical, Rated-4 in electrical, and Rated-2 in telecommunications. What is the overall rating?
A. Rated-2
B. Depends on architectural rating
C. Rated-4 since electrical is most important
D. Rated-4
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
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Kasuga -
休みの時間をかけCDCSて練習を全部勉強して、試験合格しました。よかったです。ありがとう