CDCP 무료 덤프문제 온라인 액세스

The temperature and humidity values indicated on the display of the Computer room air conditioner unit are the values measured at which point?

• A.It is the value measured at the front of the rack of the aisle the air conditioner is situated.
• B.It is the value measured at the intake of the air conditioner.
• C.It is the value measured at the exhaust (outlet) of the air conditioner.
• D.It is the average value between the intake and exhaust (outlet) of the air conditioner.

Which formula is correct?

• A.Watt = Volt-Ampere * Power Factor
• B.Power Factor = Volt Ampere ' Watt
• C.Volt-Ampere = Watt * Power Factor
• D.Watt = VoIt-Ampere / Power Factor

By what are magnetic fields of the type 'H' or 'B' created?

• A.Magnetic fields are created by voltage; the greater the voltage, the stronger the magnetic field.
• B.Magnetic fields are created by the magnetic flux of the earth which varies per month.
• C.Magnetic fields are created when there is a high level of common mode noise (CMN); the greater the common mode noise (CMN), the stronger the magnetic field.
• D.Magnetic fields are created when an electric current flows; the greater the current, the stronger the magnetic field.

When having two non-synchronized power sources, the ATS / STS need to be of the type:

• A.Both make before break or break before make can be used.
• B.Break before make.
• C.Both an ATS and STS can never handle two non-synchronized sources.
• D.Make before break.

What factor should be considered when placing fluorescent lighting in the data centre?

• A.Fluorescent lights should only be installed in equipment supporting areas and not in the Computer
  /Server room.
• B.Fluorescent lights should not be connected to the same UPS that supports the ICT equipment.
• C.Fluorescent lights should not be connected to the back-up generator.
• D.Fluorescent lights should not be connected to the mains power supply.