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Huawei H20-681-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: NetEco 1000S Monitoring System | 25% | - Software Upgrade and System Maintenance - Real-time Monitoring and Data Analysis - Installation and Initial Configuration - System Overview and Architecture - Alarm Management and Troubleshooting |
| Topic 2: Smart PV Plant Networking & Devices | 25% | - Monitoring System Architecture - SmartLogger Data Collector - Networking Topologies & Communication Protocols - PLC Communication & PID Protection Module - SmartACU2000B Sub-array Controller |
| Topic 3: SUN2000 Inverter Knowledge | 30% | - Key Features and Specifications of SUN2000 Series - Commissioning, Operation and Maintenance - Working Principle and Structure of PV Inverters - Basic Principles of PV Power Generation - Application Scenarios and Installation Requirements |
| Topic 4: SUN2000L Residential Inverter | 5% | - Installation and Commissioning - Product Features and Application |
| Topic 5: EHS & Delivery Standards | 15% | - Engineering Installation Specifications - Safety Requirements for On-site Work - EHS Management Framework - Operation Safety and Risk Control |
Huawei Certified Field Specialist -Smart PV Controller Sample Questions:
1. Huawei SmartLogger Southbound communication supports communication protocol types are () (Multiple choice)
A) DL/T645
B) IEC103
C) IEC104
D) Modbus-RTU
2. The following are island hazards (). (Multiple Choice)
A) When the voltage phase is not synchronized when the power is restored, it will generate a surge current, which may cause another trip or damage to the PV system, load and power supply system.
B) Affect the protection switch action program on the power distribution system
C) The unstable nature of the supply voltage and frequency that occurs in the isolated island area can cause damage to the electrical equipment.
D) Endangering the safety of electric maintenance personnel
3. Huawei SUN2000L household inverter standby is divided into the following () stages. (Multiple Choice)
A) Initialization detection
B) Insulation resistance detection
C) Standby
D) Light detection
E) No light
4. eLTE wireless transmission system base station eNB530 main equipment consists of ___. (Multiple choice)
A) Baseband processing unit eBBU530
B) Core network
C) RF remote unit eRRU
D) Antenna system
5. Android mobile phone users can communicate with Huawei SUN2000 inverter through _____. (Multiple choice)
A) Huawei Bluetooth
B) USB data cable
C) Wifi
D) Zigbee
Solutions:
| Question # 1 Answer: A,B,D | Question # 2 Answer: A,B,C,D | Question # 3 Answer: A,B,D,E | Question # 4 Answer: A,C,D | Question # 5 Answer: A,B |
