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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: NCE-T System Introduction | 5% | - System functions and architecture - Basic operation and management |
| Topic 2: Transmission Network Overview | 10% | - Basic concepts and development history - Main technologies and application scenarios - Network architecture and composition |
| Topic 3: WDM Principles | 15% | - Signal flow and transmission performance - Basic principles and classification - Optical components and systems |
| Topic 4: OTN Principles and Technologies | 10% | - Mapping and adaptation mechanisms - OTN hierarchy and interfaces - Frame structure and multiplexing |
| Topic 5: Transmission Network Protection | 10% | - SDH/WDM/OTN protection schemes - Protection configuration and application - Protection principles and classification |
| Topic 6: SDH Principles | 15% | - Synchronization and timing - Frame structure and multiplexing - Network topology and protection mechanisms |
| Topic 7: NG WDM Networking and Applications | 10% | - Service access and transmission - Protection and reliability - System features and networking modes |
| Topic 8: Ethernet Principles and Services | 10% | - Service bearing and configuration - Basic Ethernet concepts - Carrier-grade Ethernet technologies |
| Topic 9: Transmission Product Overview | 10% | - Hardware composition and functions - OptiX series product positioning and features - Typical application scenarios |
Huawei HCIA-Transmission V2.5 Sample Questions:
FOADM sites can be divided into parallel FOADM and serial FOADM. When the number of waves is large, it is recommended to use parallel FOADM.
- A. True
- B. False
Correct Answer: A 🗳️
The difference between dispersion-compensating fiber and ordinary optical fiber is that dispersion- compensating fiber has a negative dispersion coefficient at ().
- A. 1310nm
- B. 800nm
- C. 1550nm
- D. 1650nm
Correct Answer: C 🗳️
Currently, the most commonly used signal is 2Mbit/s. Which of the following steps are involved in the process of multiplexing 2Mbit/s signals into STM-N? (Multiple choice)
- A. Scrambling
- B. Add segment overhead
- C. Add pointer
- D. Rate Adaptation
Correct Answer: B,C,D 🗳️
In a wavelength division system, after a certain distance of transmission, the optical signal-to-noise ratio of the receiving end signal will be reduced to a certain extent. Which is the main reason?
- A. Use of Wavelength Combiner
- B. Use of EDFA
- C. The optical fiber attenuation is too large
- D. No new optical fiber is used
Correct Answer: B 🗳️
Some SNCP protection switching conditions are default, such as AUAIS and TUAS. Other conditions are optional, such as HP-TIM and HP-SLM. Optional conditions can be flexibly set according to the service level.
- A. True
- B. False
Correct Answer: A 🗳️
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