What are the four main components of a refrigeration circuit?
A. Condenser, expansion valve, buffer tank, de-icing unit
B. Thermostat, monitoring interface, indoor unit, outdoor unit
C. Evaporation, membrane filter, monitor sensor, pressure valve
D. Evaporator, compressor, condenser, expansion valve
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 2:
What should be considered when implementing hot- or cold-aisle containment in an existing computer room?
A. It creates potential issues with the existing fire suppression system(s).
B. Equipment will get too hot at the rear (back) of the rack potentially resulting in more ICT hardware failures.
C. The delta-T of the equipment will increase too much causing reliability issues.
D. It will be more difficult to install power and network cabling in the contained area.
正解:A
解説: (Pass4Test メンバーにのみ表示されます)
質問 3:
is the degree to which a system or component is operational and accessibility when required for use.
A. Scalability
B. Reliability
C. Agility
D. Availability
正解:D
解説: (Pass4Test メンバーにのみ表示されます)
質問 4:
Does shielded twisted pair network cabling provide protection against EMF from power cables?
A. No, the shielding for twisted pair network cabling is for physical protection against vandalism and accidental cutting of the cable.
B. Yes, but only if the power cable is placed in a tre-foil cable arrangement.
C. No, the shielding is designed for alien cross-talk between network cables, it provides no or little protection against low frequency EMF.
D. Yes, as the shielding for twisted pair network cabling is specifically design for low frequency EMF protection.
正解:C
解説: (Pass4Test メンバーにのみ表示されます)
質問 5:
A fire extinguisher in the data centre is found which is classed as ABC.
Is this suitable?
A. Depends on the brand
B. No
C. Only for fires not related to electrical power
D. Yes
正解:B
解説: (Pass4Test メンバーにのみ表示されます)
Midorikawa -
私は完全に初心者でした。ひたすら模擬試験をやりつつ、弱点を埋めていくという流れでやり、約1週間ほどの勉強で合格できました。素晴らしい資料でした。ご対応ありがとうございました。