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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WDM Principles | 15% | - Signal flow and transmission performance - Basic principles and classification - Optical components and systems |
| Transmission Network Protection | 10% | - Protection principles and classification - Protection configuration and application - SDH/WDM/OTN protection schemes |
| NCE-T System Introduction | 5% | - System functions and architecture - Basic operation and management |
| Transmission Product Overview | 10% | - OptiX series product positioning and features - Typical application scenarios - Hardware composition and functions |
| SDH Principles | 15% | - Synchronization and timing - Network topology and protection mechanisms - Frame structure and multiplexing |
| NG WDM Networking and Applications | 10% | - System features and networking modes - Protection and reliability - Service access and transmission |
| OTN Principles and Technologies | 10% | - OTN hierarchy and interfaces - Mapping and adaptation mechanisms - Frame structure and multiplexing |
| Ethernet Principles and Services | 10% | - Service bearing and configuration - Carrier-grade Ethernet technologies - Basic Ethernet concepts |
| Transmission Network Overview | 10% | - Main technologies and application scenarios - Basic concepts and development history - Network architecture and composition |
Huawei HCIA-Transmission V2.5 Sample Questions:
1. Which of the following layers of overhead belong to the electrical layer overhead of OTN? (Multiple choice)
A) OTU
B) ODUk
C) och
D) OPUk
2. When setting the LCAS mode, please follow the following principles: 1. If the devices at both ends are Huawei devices, please set them to "Standard Mode" 2. If Huawei devices are interconnected with third-party devices, please set the interconnected devices to the same mode according to the mode supported by the third-party devices.
A) True
B) False
3. The working mode of the port determines the flow control mode of the port. When the working mode is 100Mbit/s full-duplex, which of the following flow control modes can be used?
A) Auto-negotiation shooting star control mode
B) Non-auto-negotiation flow control mode
C) Both of the above
D) None of the above
4. The core of the TCP/IP model is the network layer and the transport layer. The network layer solves the logical forwarding problem between networks, and the transport layer ensures reliable transmission from the source to the destination.
A) True
B) False
5. Which of the following is the adjustment unit of AU-PTR?
A) Three bytes
B) Four bytes
C) Two bytes
D) One byte
Solutions:
| Question # 1 Answer: A,B,D | Question # 2 Answer: B | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: A |





