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Huawei H31-311-ENU : HCIA-Transmission(Huawei Certified ICT Associate-Transmission)
- Exam Code: H31-311-ENU
- Exam Name: HCIA-Transmission(Huawei Certified ICT Associate-Transmission)
- Updated: Sep 08, 2026
About Huawei H31-311-ENU Exam
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Huawei H31-311-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Management System | 5% | - Basic management functions - NCE-T/iManager U2000 overview |
| Topic 2: WDM and OTN Networks and Signal Flow | 5% | - WDM networking modes - OTN cross-connect and signal flow |
| Topic 3: Overview of Optical Transmission Networks | 5% | - Development and classification of transmission networks - Network architecture and application scenarios |
| Topic 4: Routine Maintenance | 10% | - Daily maintenance procedures - Common fault handling |
| Topic 5: Basics of Optical Fiber Communication | 10% | - Optical transmission principles - Optical passive components - Optical fiber characteristics and types |
| Topic 6: Hardware Installation Basics | 10% | - Cabling and power supply - Installation environment and safety requirements |
| Topic 7: Optical Transmission Technologies | 25% | - OTN protocol and frame structure - SDH principles and frame structure - WDM principles and system composition - Ethernet services over transmission networks |
| Topic 8: Commissioning and Configuration Basics | 20% | - Initial configuration process - Performance monitoring and alarm processing - Service configuration and protection |
| Topic 9: Optical Transmission Network Products | 10% | - OptiXtrans SDH/WDM product series - Hardware composition and functions |
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
Question #1
Which of the following is the function of TCM overheads in ODUk signals?
- A. Tandem connection monitoring overhead
- B. Path trace identifier overhead
- C. Channel supervisory overhead
- D. General communication channel overhead
Answer: A
Question #2
The single-fiber bidirectional WDM system uses only one optical fiber to transmit optical signals in two directions at the same time. The optical signals in the two directions should be arranged at different wavelengths.
- A. TRUE
- B. FALSE
Answer: A
Question #3
On the NMS, the NE performance monitoring time is set to ( ) minutes and ( ) hours.
- A. 30, 24
- B. 30, 12
- C. 15, 12
- D. 15, 24
Answer: D
Question #4
Which of the following is the impact of changing the NE ID of OSN 3500 on the NMS?
- A. The device is restarted.
- B. The NE time is not synchronized.
- C. Services are interrupted.
- D. NE communication is interrupted.
Answer: D
Question #5
Which of the following are the differences between AU pointer and TU pointer? (Multiple Choice)
- A. Indication range
- B. Number of bits occupied by the pointer value
- C. Byte where the pointer value is stored
- D. Adjustment unit
Answer: A,C,D
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