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Updated: Sep 05, 2026
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Huawei H31-311-ENU Exam Overview:
| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCIA-Transmission (Huawei Certified ICT Associate-Transmission) |
| Exam Number: | H31-311-ENU |
| Exam Price: | 200 USD |
| Passing Score: | 600/1000 |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 60-70 |
| Exam Format: | True/False, Single-choice, Multiple-choice |
| Available Languages: | Chinese, English |
| Related Certifications: | HCIE-Transmission HCIP-Transmission |
| Exam Duration: | 90 minutes |
| Recommended Training: | HCIA-Transmission V3.0 Official Training |
| Exam Registration: | Huawei Talent Platform Pearson VUE |
| Sample Questions: | Huawei H31-311-ENU Sample Questions |
| Exam Way: | Online proctored or at authorized Pearson VUE/Huawei test centers |
| Pre Condition: | No mandatory prerequisites; basic knowledge of ICT and optical communication recommended |
| Official Syllabus URL: | https://support.huawei.com/learning/Certificate!toExamOutlineDetail?lang=en&nodeId=Node1000006043 |
Huawei H31-311-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Overview of Optical Transmission Networks | 5% | - Development and classification of transmission networks - Network architecture and application scenarios |
| Optical Transmission Technologies | 25% | - SDH principles and frame structure - OTN protocol and frame structure - WDM principles and system composition - Ethernet services over transmission networks |
| Basics of Optical Fiber Communication | 10% | - Optical fiber characteristics and types - Optical passive components - Optical transmission principles |
| Optical Transmission Network Products | 10% | - OptiXtrans SDH/WDM product series - Hardware composition and functions |
| Routine Maintenance | 10% | - Common fault handling - Daily maintenance procedures |
| Network Management System | 5% | - Basic management functions - NCE-T/iManager U2000 overview |
| Commissioning and Configuration Basics | 20% | - Initial configuration process - Service configuration and protection - Performance monitoring and alarm processing |
| WDM and OTN Networks and Signal Flow | 5% | - OTN cross-connect and signal flow - WDM networking modes |
| Hardware Installation Basics | 10% | - Installation environment and safety requirements - Cabling and power supply |
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
When the U2000 data is backed up using scripts, the backup is fast because the backup files are small.
- A. TRUE
- B. FALSE
When the transmit end detects that the b6-b8 of the K2 byte is 110, it indicates that the () alarm is reported at the transmit end.
- A. MS-RDI
- B. R-LOS
- C. MS-AIS
- D. R-LOF
Which of the following statements about the sequence of a signal flow between the SDH interface and the cross-connect unit is correct?
- A. SPI<>MST<>RST<>MSA<>MSP<>HPT
- B. SPI<>RST<>MST<>MSP<>MSA<>HPT
- C. SPI<>RST<>MSA<>MSP<>MST<>HPT
- D. SPT<>MST<>MSA<>RST<>MSP<>HPT
Which of the following are different types of ESCs divided by implementation principles? (Multiple Choice)
- A. None of the above
- B. Fixed frame structure DCC
- C. Inserted DCC
- D. Pilot tune DCC
The rate of STM-1 is ( ) bit/s.
- A. 9*270*1*8000*16
- B. 9*270*1*8000
- C. 9*270*8000
- D. 9*270*1*8000*8
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