Latest H12-421 Exam Real Tests Free Updated Today

H12-421 Real Exam Question Answers Updated [Jan 27, 2022]

NEW QUESTION 20
Which of the following is not the reason why the NetCol 8000-A infrared humidifier water tray is not filled with water?

• A. The water injection pipe is blocked
• B. Infrared lamp damage
• C. Inlet line valve is not open
• D. The water pressure is abnormal

Answer: B

 

NEW QUESTION 21
UPS2000-G-(6-20kVA) battery discharge time is significantly lower than the standard time may be caused by what? (Multiple choice)

• A. No mains input
• B. Increased load
• C. Battery capacity reduction
• D. The battery is not full

Answer: B,C,D

 

NEW QUESTION 22
Three sets of 9Ah battery packs are connected in parallel and connected to UPS2000-G-6kVA. What is the battery capacity set?

• A. 27Ah
• B. 18Ah
• C. 32Ah
• D. 9Ah

Answer: A

 

NEW QUESTION 23
The user can modify the login password in the ( ) menu of the ECC800 web interface.

• A. Electronic label
• B. User Management
• C. System upgrade
• D. Version information

Answer: B

 

NEW QUESTION 24
The alarm management functions supported by the ECC800 are (). (Multiple choice)

• A. Alarm data export
• B. Alarm parameter setting
• C. View historical alarms
• D. Filtering alarms

Answer: A,B,C,D

 

NEW QUESTION 25
In the case of normal mains, the UPS battery in inverter mode may be executed ( ). (Multiple choice)

• A. Checking the capacity test
• B. Shallow discharge test
• C. Float charging
• D. Balanced charging

Answer: A,B,C,D

 

NEW QUESTION 26
When the UPS is parallel, it is necessary to check the input phase sequence of each UPS main bypass, but the output phase sequence is not required.

• A. FALSE
• B. TRUE

Answer: A

 

NEW QUESTION 27
When the UPS5000-E (), boot will automatically run the Quick Setup Wizard. (Multiple Choice)

• A. Start after recovery failure
• B. The device is turned on again after the factory settings are restored.
• C. Turn it off and then on.
• D. First boot

Answer: B,D

 

NEW QUESTION 28
If the customer load cannot be de-energized, pay attention to ( ) when disconnecting the maintenance bypass switch after the repair is completed.

• A. Battery input is normal
• B. EPO status can be broken maintenance switch
• C. The road module has no abnormal alarm and can be powered.
• D. The maintenance bypass switch can also be disconnected when the bypass module is abnormal.

Answer: C

 

NEW QUESTION 29
The reason for using the EPO status interface in the parallel step of the UPS5000-E is ().

• A. Prevent electric shock and protect personal safety
• B. Protect the battery from discharge
• C. Power off the load to prevent damage to the load device
• D. Cut off the output and set the parallel parameters

Answer: D

 

NEW QUESTION 30
Which of the following air conditioning systems need to be equipped with a cooling tower or dry cooler?

• A. Direct ventilation air conditioning system
• B. CW air-cooled type
• C. DX air-cooled type
• D. DX water-cooled type

Answer: D

 

NEW QUESTION 31
To use the NetEco APP on PAD to query the PUE information of the current computer room, you need to click the () menu.

• A. Alarm
• B. More
• C. Energy consumption
• D. Monitoring

Answer: C

 

NEW QUESTION 32
In the NetCol5000-A air conditioner, if a large number of air bubbles are observed in the liquid crystal mirror, it indicates that the refrigerant system lacks refrigerant, and the refrigerant should be charged as needed.

• A. True
• B. False

Answer: A

 

NEW QUESTION 33
Two different versions of the software UPS2000-G can be implemented in parallel.

• A. FALSE
• B. TRUE

Answer: A

 

NEW QUESTION 34
How many NetCol5000-C water-cooled line-class precision air conditioners can be supported by one NetCol520 chilled water distribution unit?

• A. 0
• B. 1
• C. 2
• D. 3

Answer: A

 

NEW QUESTION 35
In () setting interface, you can set the linkage rule of the multi-function sensor and the sunroof.

• A. WiFi management
• B. PLC
• C. Version information
• D. Access control user management

Answer: B

 

NEW QUESTION 36
In the "Video" function of NetEco, you can perform operations such as (). (Multiple Choice)

• A. Video live browsing
• B. Create a camera
• C. Modify the camera
• D. Delete the camera

Answer: A,B,C,D

 

NEW QUESTION 37
() can realize the signal processing and centralized control of UPS5000-E.

• A. Energy Control Module ECM
• B. Bypass module
• C. Maintenance bypass module
• D. Power module

Answer: A

 

NEW QUESTION 38
Which of the following is supported by the AI/DI port on the access control actuator?

• A. Fingerprint reader
• B. IC card reader
• C. Open the button
• D. Electronic magnetic lock

Answer: C

 

NEW QUESTION 39
In the battery model 6-GFM-150, 150 indicates the battery ().

• A. Minimum capacity
• B. Maximum capacity
• C. Rated capacity
• D. Actual capacity

Answer: C

 

NEW QUESTION 40
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