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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Transmission Network Protection | 10% | - Protection principles and classification - SDH/WDM/OTN protection schemes - Protection configuration and application |
| Topic 2: NCE-T System Introduction | 5% | - Basic operation and management - System functions and architecture |
| Topic 3: Ethernet Principles and Services | 10% | - Service bearing and configuration - Carrier-grade Ethernet technologies - Basic Ethernet concepts |
| Topic 4: OTN Principles and Technologies | 10% | - Frame structure and multiplexing - Mapping and adaptation mechanisms - OTN hierarchy and interfaces |
| Topic 5: Transmission Product Overview | 10% | - Hardware composition and functions - Typical application scenarios - OptiX series product positioning and features |
| Topic 6: WDM Principles | 15% | - Optical components and systems - Basic principles and classification - Signal flow and transmission performance |
| Topic 7: NG WDM Networking and Applications | 10% | - Service access and transmission - Protection and reliability - System features and networking modes |
| Topic 8: SDH Principles | 15% | - Frame structure and multiplexing - Network topology and protection mechanisms - Synchronization and timing |
| Topic 9: 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. The two PIU/APIU boards of the OptiXtrans E6616 or E6608 (0ptiX OSN 1800 V Pro or 1800 1 Pro) equipment use hot backup to power the system. When one PIU/APIU board fails, the system can still work normally.
A) True
B) False
2. In the system control unit, which of the following databases will not lose data after a power failure?
(Multiple choice)
A) DRDB
B) FDBO
C) FDB1
D) MDB
3. According to the OUTk signal rate calculation formula: OTUk rate = 255/(239-k) x STM-N frame rate, the rate of the OTU4 signal is 255/235 x 99 532800 kbit/s.
A) True
B) False
4. In QinQ, the TPID values of the inner and outer labels of the device are both 0x8100 as specified in the protocol. This value cannot be changed. If it changes, the frame will be discarded.
A) True
B) False
5. The primary and backup ports of the linear multiplexing segment must be on the same board.
A) True
B) False
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: B,C | Question # 3 Answer: B | Question # 4 Answer: B | Question # 5 Answer: B |



