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Real Huawei H31-311_V2.5 practice exam questions for easy pass!
Updated: Sep 18, 2026
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Huawei H31-311_V2.5 Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Transmission V2.5 |
| Exam Number: | H31-311_V2.5 |
| Related Certifications: | HCIE-Transmission HCIP-Transmission |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Exam Format: | Multiple Choice, True/False, Multiple Answer |
| Passing Score: | 600/1000 |
| Available Languages: | English, Chinese |
| Real Exam Qty: | 60 |
| Exam Price: | USD 150 |
| Sample Questions: | Huawei H31-311_V2.5 Sample Questions |
| Exam Way: | Online/Offline at Pearson VUE test centers |
| Pre Condition: | No formal prerequisites required; basic knowledge of telecommunications recommended |
| Official Syllabus URL: | https://e.huawei.com/en/trainingcert/certified-enterprise-product/ict-coe |
Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Transmission Network Maintenance | 15% | - Typical Troubleshooting - Common Alarm Analysis - Performance Monitoring - Network Commissioning |
| OTN Technology | 25% | - OTN Protection - WDM Principles - OTN Architecture and Structure - ROADM Technology - ODU and OTU Mapping |
| Huawei Transmission Products Overview | 15% | - OSN 1800 Series - Product Portfolio and Positioning - OSN 3800/5800/6800/8800 Series |
| Packet Transport Network (PTN) | 15% | - QoS Mechanisms - PTN Protection Mechanisms - MPLS-TP Principles |
| SDH/SONET Technology | 20% | - SDH Protection Mechanisms - SDH Equipment and Interfaces - SDH Frame Structure - SDH Multiplexing Principles |
| Optical Communication Basics | 10% | - Optical Fiber Types and Characteristics - Optical Communication Principles - DWDM Fundamentals |
Huawei HCIA-Transmission V2.5 Sample Questions:
SDB is a hierarchical structure of standardized digital signals that can be used for (), multiplexing and cross-connection
Reveal Solution Discussion 0Correct Answer:
Synchronous digital transmission
Which of the following statements about the frame structure of SDH signals are correct? (Multiple choice)
- A. The frame period of different levels of SDH signals is the same
- B. SDH signal is byte interleaved by column
- C. SDH signals of different rates have different frequencies.
- D. The information payload area only carries the information payload
Correct Answer: A,C,D 🗳️
If a PW is carried by multiple PSN tunnels, this PW is called an MS-PW.
- A. True
- B. False
Correct Answer: A 🗳️
Which of the following is the function of TCM overhead in ODUk signal?
- A. Channel supervision fees
- B. Path Trace Identifier Overhead
- C. Tandem connection monitoring overhead
- D. General communication channel overhead
Correct Answer: C 🗳️
After configuring PDH services on a per-network element basis, a complete trace cannot be searched. Which of the following is a possible reason? (Multiple choice)
- A. Wrong circuit board selection
- B. The time period is wrongly configured
- C. No direct access is configured at the intermediate site
- D. Wrong selection of branch plate
Correct Answer: A,B,C 🗳️
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