Updated: Aug 05, 2026
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| Certification Vendor: | Huawei |
| Exam Name: | HCIA-Transmission V2.5 |
| Exam Number: | H31-311_V2.5 |
| Related Certifications: | HCIP-Transmission HCIE-Transmission |
| Passing Score: | 600/1000 |
| Available Languages: | English, Chinese |
| Exam Duration: | 90 minutes |
| Certificate Validity Period: | 3 years |
| Exam Format: | Multiple Choice, Multiple Answer, True/False |
| 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 |
| Section | Weight | Objectives |
|---|---|---|
| Packet Transport Network (PTN) | 15% | - PTN Protection Mechanisms - MPLS-TP Principles - QoS Mechanisms |
| OTN Technology | 25% | - WDM Principles - OTN Protection - ROADM Technology - OTN Architecture and Structure - ODU and OTU Mapping |
| SDH/SONET Technology | 20% | - SDH Multiplexing Principles - SDH Equipment and Interfaces - SDH Frame Structure - SDH Protection Mechanisms |
| Transmission Network Maintenance | 15% | - Network Commissioning - Typical Troubleshooting - Common Alarm Analysis - Performance Monitoring |
| Huawei Transmission Products Overview | 15% | - OSN 1800 Series - Product Portfolio and Positioning - OSN 3800/5800/6800/8800 Series |
| Optical Communication Basics | 10% | - Optical Fiber Types and Characteristics - Optical Communication Principles - DWDM Fundamentals |
1. Manual configuration will clear the data on the NE side.
A) False
B) True
2. In OSN6800, the LDG board can realize the Ethernet Layer 2 scheduling function.
A) False
B) True
3. 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
4. When serious bit error seconds occur in the PM segment of ODUk, the network management will report the ODUk_PM_ES alarm.
A) False
B) True
5. MSTP adds () and () interfaces and corresponding signal processing capabilities on top of the original SDH.
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A | Question # 3 Answer: B | Question # 4 Answer: A | Question # 5 Answer: Only visible for members |
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