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: Sep 21, 2026
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Huawei H31-311_V2.5 Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | Huawei Certified ICT Associate - Transmission V2.5 |
| Exam Number: | H31-311_V2.5 |
| Related Certifications: | HCIE-Transmission HCIP-Transmission |
| Real Exam Qty: | 60 |
| Passing Score: | 600/1000 |
| Exam Duration: | 90 minutes |
| Available Languages: | Chinese, English |
| Exam Price: | 200 USD |
| Certificate Validity Period: | 3 years |
| Exam Format: | Drag-and-drop, Fill-in-the-blank, Single-choice, True/False, Multiple-choice |
| Recommended Training: | Huawei Official Training Course |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online proctored or on-site at authorized test centers |
| Pre Condition: | No mandatory prerequisites; basic knowledge of communication principles and data networks recommended |
| Official Syllabus URL: | https://e.huawei.com/en/talent/certification/ict/hcia-transmission-v2-5 |
Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| NCE-T System Introduction | 5% | - System functions and architecture - Basic operation and management |
| NG WDM Networking and Applications | 10% | - Service access and transmission - Protection and reliability - System features and networking modes |
| Transmission Network Overview | 10% | - Main technologies and application scenarios - Basic concepts and development history - Network architecture and composition |
| WDM Principles | 15% | - Basic principles and classification - Optical components and systems - Signal flow and transmission performance |
| Ethernet Principles and Services | 10% | - Service bearing and configuration - Carrier-grade Ethernet technologies - Basic Ethernet concepts |
| SDH Principles | 15% | - Network topology and protection mechanisms - Synchronization and timing - Frame structure and multiplexing |
| Transmission Product Overview | 10% | - Hardware composition and functions - Typical application scenarios - OptiX series product positioning and features |
| Transmission Network Protection | 10% | - Protection configuration and application - Protection principles and classification - SDH/WDM/OTN protection schemes |
| OTN Principles and Technologies | 10% | - Mapping and adaptation mechanisms - OTN hierarchy and interfaces - Frame structure and multiplexing |
Huawei H31-311_V2.5 Exam Questions Answered
The H31-311_V2.5 exam leads to the HCIA-Transmission V2.5 certification from Huawei. It is positioned at the Associate level. The exam validates the knowledge and skills expected of candidates preparing for Huawei HCIA-Transmission V2.5.
Related certifications include:
- HCIP-Transmission
- HCIE-Transmission
The H31-311_V2.5 exam includes 60 questions and allows 90 minutes. Before test day, divide the available time by the number of questions in a timed practice set to establish a steady per-question pace. If a difficult item starts consuming too much time, mark it for review and move forward instead of losing momentum. A full timed practice session can help you decide when to move on, when to return, and how much buffer to reserve for a final check.
The passing score for H31-311_V2.5 is 600/1000, and the official exam fee is 200 USD. Because a retake requires paying the exam fee again, use timed practice results as a readiness check before scheduling your next attempt. If your performance remains inconsistent, continue reviewing weak domains and repeat a timed session before booking the exam.
No mandatory prerequisites; basic knowledge of communication principles and data networks recommended
Eligibility rules can change, so confirm the current requirements on the official exam page before registering.
You can register through the official channels listed below:
The available exam delivery method is Online proctored or on-site at authorized test centers.
The official training options include:
After reviewing the recommended training, reinforce what you learned with Actual4dump's 750 practice questions for H31-311_V2.5.
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If you purchase the corresponding H31-311_V2.5 preparation material and do not pass that exam within 60 days of purchase, you may apply for a full refund under the 100% Money Back Guarantee. The request requires a scanned exam enrollment slip and the official Score Report PDF, submitted within two days after the exam. Eligible requests are processed within seven days.
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The current H31-311_V2.5 outline is organized into 9 top-level domains. The first listed areas include:
- WDM Principles (15%)
- NCE-T System Introduction (5%)
- Ethernet Principles and Services (10%)
Review the Exam Topics section above for the complete outline and any nested subtopics.
Huawei HCIA-Transmission V2.5 Sample Questions:
Which of the following is the reason why the pump light output power of the RAMAN amplifier is very high?
- A. Raman amplifiers increase pump output power to obtain better noise characteristics
- B. The threshold power for the stimulated Raman scattering effect is high, so Raman requires a high- power output of the pump light
- C. Raman amplification is performed in the transmission fiber, and the pump light needs to be transmitted over a long distance, so the output power needs to be increased.
- D. Raman needs to obtain much greater gain than EDFA, so the pump output power is increased
Correct Answer: B 🗳️
QinQ follows the technical standard IEEE802.1ad, and its emergence is mainly to solve the shortage of IPv4 addresses.
- A. True
- B. False
Correct Answer: B 🗳️
Which of the following alarms will definitely trigger optical line protection switching? (Multiple choice)
- A. MUT_LOS
- B. R_LOF
- C. POWER_DIFF_ OVER
- D. R_LOS
Correct Answer: A,C 🗳️
There are two types of optical fiber dispersion, one is (), the other is ()
Reveal Solution Discussion 0Correct Answer:
Chromatic dispersion | Polarization mode dispersion
Which of the following clock operating modes supports the ITU-TG781 standard? (Multiple choice)
- A. Tracking
- B. Master/Slave
- C. Free running
- D. Maintain
Correct Answer: A,C,D 🗳️
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