H12-411_V2.0-ENU exam

Which of the following outdoor unit models has a dual fan?A . NETCOL500-A072B . No other optionsView AnswerAnswer: A

Which of the following is the temperature of the cold channel air inlet area of the data center specified in GB50174-2017?A . 11 ℃ ~19 ℃B . 13 ℃ ~22 ℃C . 18 ℃ ~27 ℃D . 20 ℃ ~35 ℃View AnswerAnswer: C

Which of the following devices cannot be connected to the southbound interface of the dynamic environment monitoring system?A . Precision air conditioningB . UPSC . Access control equipmentD . Superior network administratorView AnswerAnswer: D

Which of the following models is Huawei's room-level water-cooled air conditioner?A . NetCol8000-E220B . NetCol5000-C065C . NetCol5000-A042D . NetCol8000-C070View AnswerAnswer: D

Which of the following belongs to air-cooled row-level air conditioner?A . NETCOL5000-AB . No other optionsView AnswerAnswer: A

In the power supply and distribution system of the data center, if a power outage occurs, the backup switching between AC power and AC power or between AC power and diesel generator is generally completed by ().A . Automatic transfer switch systemB . Diesel generator systemC . Low voltage power...

What is the English abbreviation for sealed valve-regulated lead-acid battery?A . VRLAB . GELC . AGMD . GFWView AnswerAnswer: A

Which of the following descriptions about data center monitoring systems is wrong?A . Can monitor power system, environmental system, fire protection system, etc.B . Remote monitoring is not supportedC . Can provide multiple alarm methods such as voice and short messageD . Intelligent monitoring system can improve management efficiencyView AnswerAnswer:...

Which of the following components does not belong to the smoke exhaust system in the fire protection system?A . Pressurized blowerB . Smoke ExhaustC . Air ductD . Air sampling tubeView AnswerAnswer: D

Which of the following descriptions about electrical equipment safety is wrong?A . The metal casing of electrical equipment must be grounded (zeroed) for protectionB . Electrical equipment should be corrosion-resistant and moisture-proofC . When a fire occurs in electrical equipment, water can be used to extinguish the fire.D . It...