Huawei H20-681-ENU Actual Free Exam Questions & Community Discussion
When there is a conflict with the customer on the issue or viewpoint in the process of project supervision, the service engineer can fully express the problem or viewpoint according to personal experience to convince the customer to accept.
Correct Answer: B
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The incoming and outgoing line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts up-out and down-in.
Correct Answer: B
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The principle of maximum power point tracking using Boost circuit is to adjust the switching tube duty cycle so that the impedance fed back to the input side of the load is equal to the maximum power point impedance of the solar cell, also called the impedance matching principle of the maximum power output. .
Correct Answer: A
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Huawei SUN2000 inverter mode switching, which is wrong?
Correct Answer: C
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During the process of the project supervision, which of the following acts belong to the service engineer's on-site work responsibilities? (Multiple choice)
Correct Answer: A,C,D
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After extracting the data acquisition package obtained from the Support website, there are two sub-compression packages inside. Upgrade data acquisition through the NetEco1000S should select the logger_neteco.zip compression package.
Correct Answer: A
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Which of the following descriptions of Huawei's string-type PV inverters are correct? (Multiple choice)
Correct Answer: A,B,D
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The power system includes () and other links. (Multiple choice)
Correct Answer: A,B,C,D,E
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