Huawei-certification H20-681-ENU

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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

1. When the PV sub-array adopts Huawei PLC communication networking, the knife-melting switch needs to be added between the box-changing busbar and the Huawei PL CCO module. The rated current of the fuse cannot be less than ____.

A) 10
B) 15
C) 6
D) 5

2. Inverter construction eight ban four recommended principles, which of the following are four recommended?

A) It is recommended to test the input voltage of each string when installing the PV cable into the inverter.
B) It is recommended to close the doors and windows of containers, brick buildings, etc. during construction to prevent ash from entering.
C) It is recommended to make a touch up treatment on the scratched casing.
D) The above three items

3. Huawei SUN2000L user inverter full load operating temperature range is ____.

A) -25 degree Centigrade ~+45 degree Centigrade
B) -25 degree Centigrade ~+60 degree Centigrade
C) -30 degree Centigrade ~+60 degree Centigrade
D) -30 degree Centigrade ~+45 degree Centigrade

4. Log in to the SUN2000 APP as a "general user" and you cannot perform the "Inverter Command Settings", "Inverter Upgrade", and "Log Management" operations.

A) True
B) False

5. When adding an environmental detector via Huawei SmartLogger2000, it prompts failed. The possible causes are (). (Multiple Choice)

A) The environmental monitor's baud rate is inconsistent with the SmartLogger communication parameter settings.
B) The environmental detector is not powered
C) SmartLogger communication parameter setting is incorrect
D) SmartLogger Ethernet parameter settings are incorrect

Solutions: