Study with Huawei : H31-311-ENU Exam Torrent as your best preparation materials
Last Updated: Jul 22, 2026
No. of Questions: 190 Questions & Answers with Testing Engine
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Huawei H31-311-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Hardware Installation Basics | 10% | - Installation environment and safety requirements - Cabling and power supply |
| Basics of Optical Fiber Communication | 10% | - Optical fiber characteristics and types - Optical transmission principles - Optical passive components |
| Overview of Optical Transmission Networks | 5% | - Development and classification of transmission networks - Network architecture and application scenarios |
| Routine Maintenance | 10% | - Daily maintenance procedures - Common fault handling |
| Commissioning and Configuration Basics | 20% | - Initial configuration process - Performance monitoring and alarm processing - Service configuration and protection |
| Optical Transmission Network Products | 10% | - OptiXtrans SDH/WDM product series - Hardware composition and functions |
| WDM and OTN Networks and Signal Flow | 5% | - OTN cross-connect and signal flow - WDM networking modes |
| Network Management System | 5% | - NCE-T/iManager U2000 overview - Basic management functions |
| Optical Transmission Technologies | 25% | - SDH principles and frame structure - WDM principles and system composition - Ethernet services over transmission networks - OTN protocol and frame structure |
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
1. The frame period of OTN signals is fixed, which is the same as that of SDH signals.
A) TRUE
B) FALSE
2. NE A and NE B are adjacent NEs.
If B3 and lower-order bit errors occur in the A->B direction, and B1, B2, B3, and lower-order bit errors occur in the B->A direction, which of the following performance events are reported by NE A? (Multiple Choice)
A) HPFEBBE
B) RSBBE
C) MSBBE
D) MSFEBBE
E) HPBBE
F) RSFEBBE
3. SDH signals must be scrambled before being transmitted over optical fibers.
Which of the following bytes are not scrambled? (Multiple Choice)
A) A2
B) J1
C) A1
D) J0
4. Some of the SNCP protection switching conditions are default, such as AU-AIS and TU-AIS. Others conditions are optional, such as HP-TIM and HP-SLM. The optional conditions can be flexibly set based on service levels.
A) TRUE
B) FALSE
5. Configuring an EPLAN service as a ring is not recommended. If the EPLAN service is configured as a ring, the STP protocol must be enabled on the network to prevent broadcast storms.
A) TRUE
B) FALSE
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: A,B,C,E | Question # 3 Answer: A,C,D | Question # 4 Answer: A | Question # 5 Answer: A |
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