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Real Huawei H31-311-ENU practice exam questions for easy pass!
Updated: Sep 14, 2026
No. of Questions: 190 Questions & Answers with Testing Engine
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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 |
| Available Languages: | English, Chinese |
| Exam Format: | True/False, Multiple-choice, Single-choice |
| Passing Score: | 600/1000 |
| Exam Price: | 200 USD |
| Related Certifications: | HCIE-Transmission HCIP-Transmission |
| Real Exam Qty: | 60-70 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 90 minutes |
| Recommended Training: | HCIA-Transmission V3.0 Official Training |
| Exam Registration: | Pearson VUE Huawei Talent Platform |
| 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 |
|---|---|---|
| Commissioning and Configuration Basics | 20% | - Initial configuration process - Service configuration and protection - Performance monitoring and alarm processing |
| Optical Transmission Technologies | 25% | - OTN protocol and frame structure - WDM principles and system composition - Ethernet services over transmission networks - SDH principles and frame structure |
| Overview of Optical Transmission Networks | 5% | - Network architecture and application scenarios - Development and classification of transmission networks |
| Basics of Optical Fiber Communication | 10% | - Optical fiber characteristics and types - Optical passive components - Optical transmission principles |
| WDM and OTN Networks and Signal Flow | 5% | - WDM networking modes - OTN cross-connect and signal flow |
| Hardware Installation Basics | 10% | - Installation environment and safety requirements - Cabling and power supply |
| Routine Maintenance | 10% | - Common fault handling - Daily maintenance procedures |
| Optical Transmission Network Products | 10% | - OptiXtrans SDH/WDM product series - Hardware composition and functions |
| Network Management System | 5% | - Basic management functions - NCE-T/iManager U2000 overview |
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
According to the formula of "ODUk rate = 239/(239-k) x STM-N frame rate", the ODU4 rate is equal to 239/235 x STM-N frame rate.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
A MAC address consists of 46 bits and is globally unique.
Which of the following is the meaning of the MAC address whose eighth bit is 1?
- A. Broadcast address
- B. Bicast address
- C. Unicast address
- D. Multicast address
Correct Answer: D 🗳️
Which of the following bytes in the regenerator section overhead are associated with R-OOF and R-LOF? (Multiple Choice)
- A. A1
- B. B2
- C. A2
- D. B1
Correct Answer: A,C 🗳️
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. R-LOF
- B. MS-AIS
- C. R-LOS
- D. MS-RDI
Correct Answer: D 🗳️
In the case of SNCP, a line board selectively receives services. Therefore, the SNCP can protect the services on the line.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
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