Latest H12-421-ENU Exam Dumps Huawei Exam from Training Expert TestPassed
Pass Huawei Huawei Certified Network Professional-Data Center Facility-Build Facility Deployment Optimization PDF Dumps | Recently Updated 240 Questions
NEW QUESTION 56
The alarm management functions supported by the ECC800 are (). (Multiple choice)
- A. Alarm data export
- B. View historical alarms
- C. Filtering alarms
- D. Alarm parameter setting
Answer: A,B,C,D
NEW QUESTION 57
The cabinet collector cannot be used for environmental data collection of IT cabinets.
- A. False
- B. True
Answer: A
NEW QUESTION 58
Which of the following air conditioning systems need to be equipped with a cooling tower or dry cooler?
- A. CW air-cooled type
- B. DX water-cooled type
- C. Direct ventilation air conditioning system
- D. DX air-cooled type
Answer: B
NEW QUESTION 59
It is necessary to remove the fixed sheet metal parts of the compressor before installing the indoor unit in the air-cooled air conditioner.
- A. True
- B. False
Answer: A
NEW QUESTION 60
When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be warmed up for more than ( ) hours.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 61
Closed hot and cold aisle systems increase cooling efficiency and reduce energy consumption.
- A. True
- B. False
Answer: A
NEW QUESTION 62
The NetCol5000-C has two installation scenarios with a chilled water distribution unit and no chilled water distribution unit.
- A. True
- B. False
Answer: A
NEW QUESTION 63
When calculating the battery capacity, the battery discharge capacity coefficients of the different backup times are the same.
- A. False
- B. True
Answer: A
NEW QUESTION 64
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.
- A. True
- B. False
Answer: A
NEW QUESTION 65
There is no limit to the total length of the direct expansion air-cooled air-conditioning refrigerant pipe.
- A. False
- B. True
Answer: A
NEW QUESTION 66
The ECC800 supports two AC inputs.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 67
The 2.4G antenna on the ECC800 should be installed in ( ).
- A. DO output dry contact
- B. 3G/4G antenna interface
- C. RS485 port
- D. RF_ZA line interface
Answer: D
NEW QUESTION 68
In the case of normal mains, the UPS battery in inverter mode may be executed ( ). (Multiple choice)
- A. Float charging
- B. Shallow discharge test
- C. Balanced charging
- D. Checking the capacity test
Answer: A,B,C,D
NEW QUESTION 69
The dry contact signal of the UPS5000-E does not support the remote emergency stop function.
- A. False
- B. True
Answer: A
NEW QUESTION 70
If the customer load cannot be power-off, what should be taken care when closing the maintenance bypass switch? (Multiple choice)
- A. The maintenance bypass switch can also be closed in the inverter power supply mode.
- B. Close the maintenance switch first and then execute the EPO.
- C. Turn off the inverter, let the UPS be in bypass power supply mode and then close the maintenance bypass switch.
- D. First perform EPO then close maintenance switch
Answer: B,C
NEW QUESTION 71
The rated capacity of the battery: also called the nominal capacity, according to the national standard or line standard requirements, is the lowest capacity value that should be released.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 72
If the status of the access which collected by the network management is always open, it can be checked by (). (Multiple choice)
- A. Check if the door of access monitoring is closed
- B. Check if the access control actuator and the door magnetic lock wiring are normal.
- C. Check if the suction plate angle and tightness on the door are suitable
- D. Check AC actuator wiring
Answer: A,B,C
NEW QUESTION 73
Huawei Fusion Module2000 monitoring system supports users on which to monitor the status of micro-modules? (Multiple choice)
- A. ECC 800Web interface
- B. Mobile APP
- C. PAD APP
- D. NetEco web interface
Answer: A,B,C,D
NEW QUESTION 74
You can view the camera's name, code, IP address, model, status, and more in NetEco's Video menu.
- A. True
- B. False
Answer: A
NEW QUESTION 75
When inspecting, maintaining and repairing electrical equipment in non-blackout mode, a warning sign or signage should be placed on the electrical installation and work area.
- A. True
- B. False
Answer: A
NEW QUESTION 76
Which humidifier is used by the NetCol 8000-A?
- A. Infrared humidifier
- B. High pressure micro-mist humidifier
- C. Electrode humidifier
- D. Wet film humidifier
Answer: A
NEW QUESTION 77
Huawei NeCol5000-A row-level precision air conditioner eliminates local hot spots by means of near-end cooling.
- A. True
- B. False
Answer: A
NEW QUESTION 78
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