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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Optical Communication Basics | 10% | - DWDM Fundamentals - Optical Communication Principles - Optical Fiber Types and Characteristics |
| Packet Transport Network (PTN) | 15% | - QoS Mechanisms - MPLS-TP Principles - PTN Protection Mechanisms |
| Huawei Transmission Products Overview | 15% | - OSN 3800/5800/6800/8800 Series - OSN 1800 Series - Product Portfolio and Positioning |
| OTN Technology | 25% | - WDM Principles - ROADM Technology - OTN Architecture and Structure - OTN Protection - ODU and OTU Mapping |
| SDH/SONET Technology | 20% | - SDH Equipment and Interfaces - SDH Protection Mechanisms - SDH Multiplexing Principles - SDH Frame Structure |
| Transmission Network Maintenance | 15% | - Performance Monitoring - Typical Troubleshooting - Network Commissioning - Common Alarm Analysis |
Huawei HCIA-Transmission V2.5 Sample Questions:
1. Which of the following descriptions about the Ethernet frame structure is wrong?
A) The standard Ethernet frame length should be no less than 64 bytes
B) Frames with a type field value of 0x0806 represent IP protocol frames
C) SFD: Start of Frame Delimiter, used to inform the receiving end that the next byte is the beginning of the frame
D) FCS: Frame Check Sequence, length is 4 bytes
2. When the line board tuning granularity is ODUflex, which of the following protections can be supported?
A) SW SNCP protection
B) SNCP protection
C) ODUK ring network protection
D) ODUK SNCP protection branch
3. Which of the following is a characteristic of WDM network expansion?
A) Maximize the retention of existing investments
B) High time cost
C) High network complexity
4. SDB is a hierarchical structure of standardized digital signals that can be used for (), multiplexing and cross-connection
5. Which of the following statements about the EFS4 circuit board are correct? (Multiple choice)
A) This board must be used together with the processed board
B) The board interface is LC interface
C) The board supports Layer 2 switching
D) This board has four FE ports
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: A | Question # 4 Answer: Only visible for members | Question # 5 Answer: C,D |


