Exam Name: HCIA-Transmission V2.5
Certification Provider: Huawei
Corresponding Certification: Huawei Transmission
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Instant Download Huawei : H31-311_V2.5
Check Updated on: Sep 06, 2026
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Huawei H31-311_V2.5 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Packet Transport Network (PTN) | 15% | - MPLS-TP Principles - PTN Protection Mechanisms - QoS Mechanisms |
| Topic 2: Huawei Transmission Products Overview | 15% | - Product Portfolio and Positioning - OSN 3800/5800/6800/8800 Series - OSN 1800 Series |
| Topic 3: Transmission Network Maintenance | 15% | - Network Commissioning - Typical Troubleshooting - Common Alarm Analysis - Performance Monitoring |
| Topic 4: SDH/SONET Technology | 20% | - SDH Multiplexing Principles - SDH Protection Mechanisms - SDH Equipment and Interfaces - SDH Frame Structure |
| Topic 5: OTN Technology | 25% | - OTN Architecture and Structure - WDM Principles - ROADM Technology - OTN Protection - ODU and OTU Mapping |
| Topic 6: Optical Communication Basics | 10% | - Optical Communication Principles - DWDM Fundamentals - Optical Fiber Types and Characteristics |
Huawei HCIA-Transmission V2.5 Sample Questions:
Question 1
Which of the following descriptions of the GFP encapsulation protocol is wrong?
A. High overhead and high packaging efficiency
B. In principle, GFP can encapsulate any protocol
C. There are two working modes: GFP-F and GFP-T
D. High degree of standardization
Question 2
Which of the following options are the advantages of arrayed waveguide gratings? (Multiple choice)
A. Small wavelength interval
B. Many channels
C. Low insertion loss
D. Passband flatness
Question 3
SDH signals must be scrambled before transmission over optical fiber.
Which of the following bytes is not scrambled? (Multiple choice)
A. J1
B. J0
C. A2
D. A1
Question 4
All bytes in the SOH frame structure will be scrambled.
A. True
B. False
Question 5
Which of the following converts non-standard wavelengths into standard wavelengths specified by ITU-T in the WDM system structure?
A. OMU
B. OSC
C. ODU
D. OTU
Solutions:
| Question 1 Answer: A | Question 2 Answer: A,B,D | Question 3 Answer: B,C,D | Question 4 Answer: B | Question 5 Answer: D |
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