Aug-2021 Latest Pass4Leader H12-421 Exam Dumps with PDF and Exam Engine Free Updated Today!
Following are some new H12-421 Real Exam Questions!
NEW QUESTION 141
The RH2288 server supports () power input.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 142
NetCol5000-A air conditioner compressor exhaust temperature is too high, what are the reasons? (Multiple Choice)
- A. The refrigerant circuit or device is clogged
- B. condenser filth blockage leads to poor heat dissipation
- C. Too little refrigerant charge
- D. The outdoor unit is not installed correctly.
Answer: A,B,C,D
NEW QUESTION 143
DOD (depth of discharge) indicates the percentage of battery discharge and battery rated capacity.
- A. True
- B. False
Answer: A
NEW QUESTION 144
According to different layouts, the Fusion Module 2000 can realize battery entry or not.
- A. True
- B. False
Answer: A
NEW QUESTION 145
The function of the ATS input unit / MCCB input unit of the integrated UPS is ().
- A. Monitor the running status
- B. Provide dual or single input to the cabinet
- C. Provide branch output of UPS direct supply
- D. Provide branch output for direct supply from the mains
Answer: B
NEW QUESTION 146
On the panel of the air conditioning unit, in the group control topology diagram, the difference between this machine and other machines is that there is a green border.
- A. True
- B. False
Answer: A
NEW QUESTION 147
In the process of disconnecting the battery pack switch, if there are multiple sets of batteries, first disconnect the main switch between the battery pack and the UPS, and then disconnect the switch of each battery pack.
- A. True
- B. False
Answer: A
NEW QUESTION 148
The multi-function sensor in the Fusion Module2000 modular channel can be connected to the () component.
- A. Access control actuator
- B. Cabinet collector
- C. Smart ETH socket
- D. WFi converter
Answer: C
NEW QUESTION 149
When the NetCol5000-A air conditioner was commissioned, Which statement about the possible cause of the "exhaust high pressure alarm" was wrong?
- A. Too little refrigerant charge
- B. Excessive refrigerant charge
- C. Outdoor fan cannot start
- D. Outdoor unit fan speed is too low
Answer: A
NEW QUESTION 150
Which interface is not on the smart ETH socket?
- A. PoE
- B. AI/DI
- C. PWR_OUT power cascade interface
- D. PWR_IN power cascade interface
Answer: B
NEW QUESTION 151
When the differential pressure switch of the air filter of the indoor unit is closed, it indicates that the filter is too dusty and should be disposed of in time.
- A. True
- B. False
Answer: A
NEW QUESTION 152
Users can monitor the status of devices such as UPS and air conditioner on the ECC800.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 153
The UPS5000-E accepts an input voltage of ( ) V range.
- A. 305-485
- B. 140-490
- C. 120-480
- D. 138-485
Answer: D
NEW QUESTION 154
When the single machine is working, after the function of power-off of the ups2000-g machine is prohibited, the PL port has no output when overload or battery power is low.
- A. False
- B. True
Answer: A
NEW QUESTION 155
Which is not a routine maintenance item of the ECC800 power module?
- A. Check the ECC800 module fan
- B. Check if the power indicator is normal.
- C. Check if the power wiring is loose
- D. Create a micro-module plan view
Answer: D
NEW QUESTION 156
NeCol5000-C nitrogen filling pressure value is (); holding time is ().
- A. 0.8MPa; 24h
- B. 0.8MPa; 12h
- C. 1.0MPa; 12h
- D. 1.0MPa; 24h
Answer: A
NEW QUESTION 157
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