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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: SDH Principles | 15% | - Synchronization and timing - Frame structure and multiplexing - Network topology and protection mechanisms |
| Topic 2: NCE-T System Introduction | 5% | - System functions and architecture - Basic operation and management |
| Topic 3: WDM Principles | 15% | - Basic principles and classification - Optical components and systems - Signal flow and transmission performance |
| Topic 4: OTN Principles and Technologies | 10% | - Frame structure and multiplexing - OTN hierarchy and interfaces - Mapping and adaptation mechanisms |
| Topic 5: Transmission Network Protection | 10% | - Protection principles and classification - Protection configuration and application - SDH/WDM/OTN protection schemes |
| Topic 6: Transmission Network Overview | 10% | - Main technologies and application scenarios - Basic concepts and development history - Network architecture and composition |
| Topic 7: NG WDM Networking and Applications | 10% | - Protection and reliability - Service access and transmission - 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:
1. The unprotected chain consists of four network elements: NE1, NE2, NE3, and NE4. An end-to-end VC4 path NE1-NE4 is created, and NE5 is added between NE2 and NE3 for capacity expansion. The original configuration remains unchanged, and no service is configured on NE5. In this case, the unprotected chain becomes NE1-NE2-NE5-NE3-NE4. How many VC4 paths can be searched out?
A) 1
B) 2
C) 3
D) 0
2. Compared with PDH, the main advantages of SDH are reflected in which of the following aspects?
(Multiple choice)
A) Interface Specification
B) Strong compatibility
C) Operation and maintenance
D) Synchronous multiplexing
E) High frequency band utilization
3. In the SDH frame structure, the trace bytes are J0, J1, and J2.
A) False
B) True
4. Which of the following is not an EVPLAN function?
A) Forwarding based on MAC address
B) Bandwidth sharing
C) Point-to-point and point-to-multipoint topologies
D) Multipoint to multipoint topology
5. There are three types of multi-level connection monitoring modes (TCM) in OTN. Which of the following are correct? (Multiple choice)
A) Through Mode
B) Overlap Mode
C) Nested mode
D) Layer Mode
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,B,C,D | Question # 3 Answer: B | Question # 4 Answer: C | Question # 5 Answer: B,C,D |
