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Huawei H20-681-ENU Exam Syllabus Topics:

Huawei Certified Field Specialist -Smart PV Controller Sample Questions:

Question 1

Huawei SmartLogger Northbound communication supports communication protocol types are () (Multiple choice)

A. IEC103
B. Mod bus-TCP
C. IEC104
D. Mod bus-RTU

Question 2

Huawei SmartLogger Southbound communication supports communication protocol types are () (Multiple choice)

A. Modbus-RTU
B. IEC103
C. IEC104
D. DL/T645

Question 3

The incoming and outgoing line mode of Huawei's intelligent sub-array controller SmartACU2000B adopts up-out and down-in.

A. True
B. False

Question 4

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. True
B. False

Question 5

When the alarm ID of Huawei SmartLogger is 1105 (address conflict), it should be checked (). (Multiple Choice)

A. Check if there is a conflict between the RS485 address of the SmartLogger and the logical address of the accessed southbound device.
B. Check if there is a conflict between the addresses of the southbound devices connected to the SmartLogger.
C. Check if there is a conflict between the RS485 address of the SmartLogger and the physical address of the accessed southbound device.
D. Check if there is a conflict between the IP address of the SmartLogger and other SmartLogger IP addresses.

Solutions: