- Exam Code: H31-311-ENU
- Exam Name: HCIA-Transmission(Huawei Certified ICT Associate-Transmission)
- Updated: Sep 07, 2026
- Q & A: 190 Questions and Answers
Huawei H31-311-ENU Exam : HCIA-Transmission(Huawei Certified ICT Associate-Transmission)
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Huawei H31-311-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Management System | 5% | - NCE-T/iManager U2000 overview - Basic management functions |
| Topic 2: Commissioning and Configuration Basics | 20% | - Service configuration and protection - Performance monitoring and alarm processing - Initial configuration process |
| Topic 3: WDM and OTN Networks and Signal Flow | 5% | - OTN cross-connect and signal flow - WDM networking modes |
| Topic 4: Optical Transmission Network Products | 10% | - Hardware composition and functions - OptiXtrans SDH/WDM product series |
| Topic 5: Optical Transmission Technologies | 25% | - WDM principles and system composition - OTN protocol and frame structure - Ethernet services over transmission networks - SDH principles and frame structure |
| Topic 6: Routine Maintenance | 10% | - Common fault handling - Daily maintenance procedures |
| Topic 7: Overview of Optical Transmission Networks | 5% | - Network architecture and application scenarios - Development and classification of transmission networks |
| Topic 8: Hardware Installation Basics | 10% | - Cabling and power supply - Installation environment and safety requirements |
| Topic 9: Basics of Optical Fiber Communication | 10% | - Optical transmission principles - Optical fiber characteristics and types - Optical passive components |
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
Question #1
Which of the following is the multiplexing mode of SDH?
- A. Asynchronous multiplexing
- B. Flexible mapping and synchronous multiplexing
- C. Flexible mapping
- D. Flexible mapping and asynchronous multiplexing
Correct Answer: B π³οΈ
Question #2
Which of the following statements about the signal label byte C2 is incorrect?
- A. The C2 byte to be sent must match the C2 byte to be received.
- B. If the C2 byte mismatch is detected, an LP_SLM alarm is reported in the corresponding VC-4 channel.
- C. C2=00H indicates that the VC-4 is unequipped.
- D. The C2 byte is used to indicate the multiplexing structure of the VC frames and the payload property.
Correct Answer: B π³οΈ
Question #3
The difference between a dispersion compensation fiber and a common fiber is that the dispersion compensation fiber has a negative dispersion coefficient at ().
- A. 1550 nm
- B. 1650 nm
- C. 800 nm
- D. 1310 nm
Correct Answer: A π³οΈ
Question #4
The number of bit error blocks on each VC-4 channel is detected by B3 at the receive end. At the same time, the information is sent back to the transmit end through Q, and HP-REI and HP-FEBBE are reported at the transmit end.
- A. J (b1-b4)
- B. G1 (b5-b8)
- C. G1 (b1-b4)
- D. K3 (b1-b4)
Correct Answer: C π³οΈ
Question #5
Which of the following operations may interrupt NE services? (Multiple Choice)
- A. Searching for protection subnets
- B. Searching for trails
- C. Deactivating trails
- D. Downloading NE data
Correct Answer: C,D π³οΈ
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