Free Huawei H20-681-ENU Practice Test & Real Exam Questions

Exam Code/Number: H20-681-ENU
Exam Name/Title: Huawei Certified Field Specialist -Smart PV Controller
Certification Provider: Huawei
Corresponding Certification: Huawei-certification

Exam Questions: 195
Updated On: Sep 13, 2026

Question #1

About Huawei SUN2000L household inverter installation space requirements, which of the following description is correct? (Multiple choice)

A. Bottom distance is equal or greater than 400mm

B. Top distance is equal or greater than 400mm

C. Front distance is equal or greater than 1000mm

D. Distance between two sides is equal or greater than 350mm

Discussion 0

Correct Answer: A,C,D Vote an answer

Question #2

In the requirements for safe construction work, which of the requirements for on-site management are correct?

A. Construction of hazardous areas should be equipped with necessary protective equipment and safe working tools

B. Special operators (such as climbing, welders, etc.) must hold a certificate of employment

C. Safety production education for construction workers before starting work

D. Specific engineering projects must have specific safety production management regulations

Discussion 0

Correct Answer: A Vote an answer

Question #3

When Huawei SmartLogger "Device Auto Access" is set to "Enable", SmartLogger will automatically search for devices every 10 minutes and automatically access new devices.

A. False

B. True

Discussion 0

Correct Answer: B Vote an answer

Question #4

Which of the following description about the operation of the software are correct? (Multiple choice)

A. Whenever the equipment/system is found to be operating abnormally, it is necessary to communicate with the equipment supplier or relevant responsible person in time to detect or prevent the failure as soon as possible.

B. Before performing important software operation tasks, you need to submit a software operation application and get approval of the customer and Huawei service manager.

C. After the on-site operation is completed, the customer site logbook must be updated in a timely manner.

D. Develop a system fallback mechanism. If unexpected results are produced, start the system fallback mechanism as soon as possible, end the work, and re-enact the implementation plan.

Discussion 0

Correct Answer: A,B,C,D Vote an answer

Question #5

Huawei intelligent photovoltaic power plant monitoring and management system can achieve centralized and mobile operation and maintenance.

A. False

B. True

Discussion 0

Correct Answer: B Vote an answer

Question #6

The following description belongs to the characteristics of the fiber ring network (). (Multiple Choice)

A. Simple networking

B. Communication speed is fast

C. Simple deployment

D. Communication distance is far

Discussion 0

Correct Answer: A,B,D Vote an answer

Question #7

The following documents belonging to the output document in the project supervision process are (). (Multiple Choice)

A. Inverter Construction Technical Disclosure Record

B. Inverter Installation Checklist

C. Inverter Customer Training Record Form

D. Technical Service Inspection Application

Discussion 0

Correct Answer: A,B,C Vote an answer

Question #8

When the debugging of the Huawei PLC communication network is started, which of the operation description of setting the anti-crosstalk is correct? (Multiple Choice)

A. Log in to the SmartLogger WEBUI interface to check whether the PLC networking is normal. After the normal operation, start the inverter automatic search.

B. Log in the SmartLogger WEBUI interface and import the produced .csv file into the PLC CCO module.

C. Need to collect the ESN number of each square inverter through the SUN2000 APP and generate a .csv file.

D. Log in to the SmartLogger WEBUI interface to enable the PLC CCO module operating parameters anti-crosstalk.

Discussion 0

Correct Answer: A,B,C,D Vote an answer

Question #9

The rated output current of Huawei PID module is ____.

A. 0.5A DC

B. 1A DC

C. 0.5A AC

D. 1A AC

Discussion 0

Correct Answer: A Vote an answer

Question #10

Huawei SUN2000 inverter has no fuses and no internal fan for easy maintenance and improved service life.

A. False

B. True

Discussion 0

Correct Answer: A Vote an answer

Question #11

Huawei intelligent photovoltaic power plant monitoring and management system includes (). (Multiple Choice)

A. Relay protection system

B. Power station monitoring system

C. Production Management System

D. Concentration Camp Center

Discussion 0

Correct Answer: B,C,D Vote an answer

Question #12

Huawei SUN2000 inverter mode switching, which is wrong?

A. Standby mode switches to operating mode

B. Operating mode switch to shutdown mode

C. shutdown mode switches to standby mode

D. shutdown mode switches to operating mode

Discussion 0

Correct Answer: D Vote an answer

Question #13

Low Voltage Ride Through (LVRT) means that when a power system accident or disturbance causes a voltage drop at the grid connection point of a PV power plant, the PV power plant can ensure continuous operation without off-grid.

A. False

B. True

Discussion 0

Correct Answer: A Vote an answer

Question #14

The PID effect refers to the phenomenon of ion migration caused by the high voltage of the photovoltaic module between the cell and its grounded metal frame, which causes the performance degradation of the component.

A. False

B. True

Discussion 0

Correct Answer: B Vote an answer

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