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Instant Download Huawei : H31-311-ENU Questions & Answers as PDF & Test Engine
- Exam Code: H31-311-ENU
- Exam Name: HCIA-Transmission(Huawei Certified ICT Associate-Transmission)
- Updated: Sep 09, 2026
- No. of Questions: 190 Questions and Answers
- Download Limit: Unlimited
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Huawei H31-311-ENU Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Commissioning and Configuration Basics | 20% | - Initial configuration process - Service configuration and protection - Performance monitoring and alarm processing |
| Topic 2: Network Management System | 5% | - NCE-T/iManager U2000 overview - Basic management functions |
| Topic 3: Optical Transmission Technologies | 25% | - Ethernet services over transmission networks - WDM principles and system composition - OTN protocol and frame structure - SDH principles and frame structure |
| Topic 4: Overview of Optical Transmission Networks | 5% | - Development and classification of transmission networks - Network architecture and application scenarios |
| Topic 5: Hardware Installation Basics | 10% | - Installation environment and safety requirements - Cabling and power supply |
| Topic 6: Routine Maintenance | 10% | - Common fault handling - Daily maintenance procedures |
| Topic 7: WDM and OTN Networks and Signal Flow | 5% | - OTN cross-connect and signal flow - WDM networking modes |
| Topic 8: Basics of Optical Fiber Communication | 10% | - Optical transmission principles - Optical fiber characteristics and types - Optical passive components |
| Topic 9: Optical Transmission Network Products | 10% | - Hardware composition and functions - OptiXtrans SDH/WDM product series |
Huawei HCIA-Transmission(Huawei Certified ICT Associate-Transmission) Sample Questions:
When a working PQ1 board is faulty, the device performs TFS protection switching.
Which of the following statements about the switching process are correct? (Multiple Choice)
- A. If the protection PQ1 board is normal, the cross-connect board sends a switching message to the D75S corresponding to the faulty PQ1 board through the switching control bus.
- B. The protection PQ1 board receives and processes the services that are transferred from the D75S board to the protection bus to complete the protection switching.
- C. The cross-connect board detects that the PQ1 board is faulty through the board status bus.
- D. The D75S board responds to the switching message by transferring services to the shared protection bus and stopping sending services to the faulty PQ1 board.
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. FALSE
- B. TRUE
The last 256 columns in the OTN frame structure are FEC areas, which are used for forward error correction.
- A. FALSE
- B. TRUE
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. G1 (b1-b4)
- B. K3 (b1-b4)
- C. J (b1-b4)
- D. G1 (b5-b8)
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
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