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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: NCE-T System Introduction | 5% | - Basic operation and management - System functions and architecture |
| Topic 2: OTN Principles and Technologies | 10% | - Frame structure and multiplexing - Mapping and adaptation mechanisms - OTN hierarchy and interfaces |
| Topic 3: WDM Principles | 15% | - Signal flow and transmission performance - Optical components and systems - Basic principles and classification |
| Topic 4: SDH Principles | 15% | - Frame structure and multiplexing - Network topology and protection mechanisms - Synchronization and timing |
| Topic 5: Ethernet Principles and Services | 10% | - Service bearing and configuration - Carrier-grade Ethernet technologies - Basic Ethernet concepts |
| Topic 6: Transmission Product Overview | 10% | - OptiX series product positioning and features - Typical application scenarios - Hardware composition and functions |
| Topic 7: NG WDM Networking and Applications | 10% | - System features and networking modes - Service access and transmission - Protection and reliability |
| Topic 8: Transmission Network Overview | 10% | - Network architecture and composition - Main technologies and application scenarios - Basic concepts and development history |
| Topic 9: Transmission Network Protection | 10% | - Protection configuration and application - Protection principles and classification - SDH/WDM/OTN protection schemes |
Huawei HCIA-Transmission V2.5 Sample Questions:
Which of the following is not an advantage of SDH?
- A. Backward compatibility
- B. Internationally unified standard interface
- C. Multiplex Line Standards
- D. The overhead for OAM is relatively small
Correct Answer: D 🗳️
Which of the following options does WDM have for light source requirements? (Multiple choice)
- A. Larger dispersion tolerance
- B. Output stable wavelength
- C. Larger output power
- D. Output standard wavelength
Correct Answer: A,B,D 🗳️
Which of the following overhead does not belong to ODUk overhead?
- A. TCM
- B. NJO
- C. APS/PCC
- D. PM
Correct Answer: B 🗳️
WDM multiplexes optical signals at multiple speeds (wavelengths) through one optical fiber for transmission. The digital signals carried by these optical signals must have the same speed and data format.
- A. True
- B. False
Correct Answer: B 🗳️
For OSN3500, there is a slot mapping relationship between the processing board and the interface board. The processing board in slot 1 is mapped to the interface board in slots 19-20.
- A. True
- B. False
Correct Answer: B 🗳️






