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H31-311_V2.5 Exam Questions & Answers

HCIA-Transmission V2.5  •  Huawei

246 Questions Updated Sep 2026 99% Pass Rate
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Sample H31-311_V2.5 Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

On a Layer 2 switching device, if the Ethernet port is an Access port, the port can only receive Ethernet frames without a VLAN tag or Ethernet frames with the same VLAN ID as the default VLAN ID of the port.

Correct Answer: B
Q2 MultipleChoice

Self-healing refers to the capability of a network to automatically recover its services within a short period from a fault without any manual intervention. Users are unaware of the network fault. A network with this self-healing capability is a self-healing network.

Correct Answer: A
Q3 MultipleChoice

Single-fiber bidirectional WDM systems use only one optical fiber to transmit optical signals in both directions at the same time. Light signals in both directions should be arranged at different wavelengths.

Correct Answer: A
Q4 MultipleChoice

After a user adjusts service bandwidth, the NCE Controller delivers the new bandwidth to devices and adjusts the CIR and PIR of the service PW. During the adjustment, services are not interrupted.

Correct Answer: B
Q5 MultipleChoice

The OPC board is an optical-layer platform board that must work with pluggable modules.

Correct Answer: A

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Frequently Asked Questions

The HCIA-Transmission V2.5 is a Huawei certification exam that validates foundational knowledge of transmission technologies, optical networks, and related networking concepts. It is designed for IT professionals who work with or want to understand Huawei's transmission products and solutions.

The exam covers optical transmission fundamentals, SDH/OTN technologies, DWDM systems, optical fiber characteristics, network management, and Huawei transmission equipment configuration. It also includes topics on transmission network architecture and basic troubleshooting techniques.

There are no strict prerequisites, but candidates should have basic networking knowledge and familiarity with telecommunications concepts. It is recommended that candidates have some hands-on experience with transmission equipment or network infrastructure.

The exam typically contains 50-60 multiple-choice questions and candidates must achieve a score of 600 points or higher out of 1000 to pass. The actual number of questions and exact passing score should be verified on the official Huawei certification website.

Huawei offers official training courses, study guides, practice exams, and online learning materials through their certification portal. Additionally, third-party training providers offer courses and exam preparation materials specifically designed for this certification.
Exam Details
  • Exam CodeH31-311_V2.5
  • VendorHuawei
  • Total Questions246
  • LanguageEnglish
  • Last UpdatedSep 2, 2026
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