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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| SDH Principles | 15% | - Synchronization and timing - Network topology and protection mechanisms - Frame structure and multiplexing |
| Transmission Product Overview | 10% | - Typical application scenarios - OptiX series product positioning and features - Hardware composition and functions |
| Transmission Network Protection | 10% | - Protection configuration and application - SDH/WDM/OTN protection schemes - Protection principles and classification |
| NCE-T System Introduction | 5% | - System functions and architecture - Basic operation and management |
| WDM Principles | 15% | - Optical components and systems - Signal flow and transmission performance - Basic principles and classification |
| Ethernet Principles and Services | 10% | - Service bearing and configuration - Basic Ethernet concepts - Carrier-grade Ethernet technologies |
| NG WDM Networking and Applications | 10% | - Protection and reliability - Service access and transmission - System features and networking modes |
| OTN Principles and Technologies | 10% | - OTN hierarchy and interfaces - Mapping and adaptation mechanisms - Frame structure and multiplexing |
| 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 clock operating modes supports the ITU-TG781 standard? (Multiple choice)
A) Free running
B) Master/Slave
C) Tracking
D) Maintain
2. Which of the following descriptions of the GFP encapsulation protocol is wrong?
A) High degree of standardization
B) In principle, GFP can encapsulate any protocol
C) High overhead and high packaging efficiency
D) There are two working modes: GFP-F and GFP-T
3. The development trends of transmission networks include capacity increase, business diversification, (), and IP.
4. SDH can transmit signals of any rate in the SDH system after packaging.
A) True
B) False
5. The outer electrons of the bait ion have a three-level structure, among which the metastable energy level is which of the following?
A) E2
B) E3
C) E1
Solutions:
| Question # 1 Answer: A,C,D | Question # 2 Answer: C | Question # 3 Answer: Only visible for members | Question # 4 Answer: A | Question # 5 Answer: A |






