최신 H12-421 무료덤프 - Huawei HCIP-Data Center Facility Deployment V1.0
Before the battery is installed, a single battery open circuit voltage is required: 12V battery is greater than or equal to 12.60V or 2V battery is greater than or equal to 2.10V. When it is found to be unqualified, the battery needs to be recharged.
정답: A
When the NetCol5000-A air conditioner was commissioned, Which statement about the possible cause of the "exhaust high pressure alarm" was wrong?
정답: D
The default password for the UPS2000-G-(6-20kVA) operator panel is ().
정답: D
The FusionModule1000B series solution can meet the Tier4 power supply requirements when using the 2N power supply and distribution system.
정답: B
() air supply method must have a reasonable raised floor height.
정답: A
NetEco mobile app supports WiFi with a maximum effective distance of ( ) meters.
정답: C
When the unit is working, the load of the UPS2000-G is connected to the PL, what condition will cause the load to be de-energized? (Multiple choice)
정답: B,D
The UPS5000-E accepts input voltage frequency in a range of () Hz.
정답: A
What are the reasons for the excessive noise of the NetCol5000-C fan? (multiple choice)
정답: A,B,C,D
When installing NetCol5000-A35kW, how many kg of refrigerant are generally pre-filled?
정답: D
When the internal short circuit of the battery occurs, the faulty battery charging voltage (), the open circuit voltage is low (generally less than 1V/cell).
정답: B
To balance the capacity loss caused by the self-discharge of the battery during the use of the battery, it is necessary to charge the battery continuously and for a long time at constant voltage, which is called ().
정답: C
The functions provided by Huawei's monitoring system NetEco are: (multiple choice)
정답: A,B,C,D
What are the access control type of the micro module? (Multiple Choice)
정답: A,C,D
Users can monitor the status of devices such as UPS and air conditioner on the ECC800.
정답: B