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Download Huawei : H31-311_V2.5 Questions & Answers as PDF & Test Software

Updated: Aug 18, 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
Exam Duration:90 minutes
Passing Score:600/1000
Related Certifications:HCIP-Transmission
HCIE-Transmission
Available Languages:English, Simplified Chinese
Certificate Validity Period:3 years
Exam Format:Single-choice questions, Multiple-choice questions, True/False questions
Real Exam Qty:60
Recommended Training:Huawei Talent Online Learning
HCIA-Transmission Training Courses
Exam Registration:Pearson VUE Huawei Exams
Huawei Certification Official Portal
Sample Questions:Huawei H31-311_V2.5 Sample Questions
Exam Way:Online proctored exam or authorized test center (Huawei certification platform / Pearson VUE depending on region)
Pre Condition:No strict prerequisite, but basic ICT knowledge is recommended
Official Syllabus URL:https://e.huawei.com/en/talent/certification

Huawei H31-311_V2.5 Exam Syllabus Topics:

SectionObjectives
Transmission Network Operation & Maintenance- Network deployment and maintenance
  • 1. Equipment configuration basics
    • 2. Fault diagnosis and troubleshooting
      Transmission Fundamentals- Basic ICT and transmission network principles
      • 1. Overview of transmission technologies
        • 2. Network topology basics
          Optical Fiber Communication- Optical fiber structure and characteristics
          • 1. Optical transmission principles
            • 2. Fiber types and parameters
              WDM and OTN Technologies- Wavelength Division Multiplexing (WDM)
              • 1. Optical channel management
                • 2. DWDM/ CWDM principles
                  - Optical Transport Network (OTN)
                  • 1. OTN frame structure
                    • 2. OTN protection and switching
                      SDH Technology- Synchronous Digital Hierarchy (SDH)
                      • 1. Frame structure and multiplexing
                        • 2. SDH network elements and functions

                          Huawei HCIA-Transmission V2.5 Sample Questions:

                          1. MAC forwarding table: Which of the following items does it contain? (Multiple choice)

                          A) AIP address
                          B) If VLANs are assigned on the switch, the VLAN ID is also included
                          C) One or a group of port numbers
                          D) MAC address


                          2. When the switch receives a data frame, it searches the MAC forwarding table based on the destination MAC address of the data frame. The result of the search is one or a group of ports. Based on the result of the search, the data packet is sent to the sending queue of the corresponding port.

                          A) False
                          B) True


                          3. All bytes in the SOH frame structure will be scrambled.

                          A) False
                          B) True


                          4. A two-fiber ring topology consists of three network elements, which are arranged in counterclockwise order as A, B, and C. The service between A and C occupies the 48th VC-12 time slot in the first VC-4 on the short-path line. Then the service between B and C can also occupy the 48th VC-12 time slot in the first VC-4 on the short-path line. Which of the following is the protection subnet type of the ring network?

                          A) Bidirectional multiplex segment protection ring D. All of the above are possible
                          B) One-way road protection ring
                          C) Subnet connection protection ring


                          5. In which of the following networking types is the 1+1 protection on the board mainly used? (Multiple choice)

                          A) Chain networking
                          B) Star networking
                          C) Mesh Network
                          D) Ring Network


                          Solutions:

                          Question # 1
                          Answer: B,C,D
                          Question # 2
                          Answer: B
                          Question # 3
                          Answer: A
                          Question # 4
                          Answer: A
                          Question # 5
                          Answer: A,D

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