Exam Name: HCIA-Transmission V2.5
Certification Provider: Huawei
Corresponding Certification: Huawei Transmission
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Instant Download Huawei : H31-311_V2.5 Questions & Answers as PDF & Test Engine
Updated: Oct 05, 2026
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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Transmission Network Operation & Maintenance | - Network deployment and maintenance
|
| Topic 2: WDM and OTN Technologies | - Wavelength Division Multiplexing (WDM)
|
| Topic 3: SDH Technology | - Synchronous Digital Hierarchy (SDH)
|
| Topic 4: Optical Fiber Communication | - Optical fiber structure and characteristics
|
| Topic 5: Transmission Fundamentals | - Basic ICT and transmission network principles
|
Huawei HCIA-Transmission V2.5 Sample Questions:
In the SDH optical synchronous transmission system, which of the following bytes is used to transmit the quality and usage information of the clock source?
- A. G1
- B. N1
- C. M1
- D. S1
Correct Answer: D 🗳️
NCE's software deployment method adopts B/S (Browser/Server) architecture.
- A. False
- B. True
Correct Answer: B 🗳️
RAMAN amplifier utilizes which of the nonlinear effects?
- A. Self-Phase Modulation
- B. Raman scattering
- C. Four-wave mixing
- D. Dispersion
Correct Answer: B 🗳️
TU-AIS is often encountered during network maintenance. The existence of AU-LOP alarm in the network will not trigger this alarm.
- A. False
- B. True
Correct Answer: B 🗳️
What are the main advantages of WDM? (Multiple choice)
- A. High networking flexibility, economy and reliability
- B. Compatible with future all-optical switching networks
- C. Can completely replace SDH equipment
- D. Ultra-large capacity, "transparent" data transmission
- E. The system is easy to upgrade and can protect existing investments to the greatest extent possible during the upgrade
Correct Answer: A,B,D,E 🗳️
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