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Instant Download Huawei : H12-931-ENU Questions & Answers as PDF & Test Engine
- Exam Code: H12-931-ENU
- Exam Name: Huawei Certified Internetwork Expert-Transmission
- Updated: Sep 22, 2026
- No. of Questions: 320 Questions and Answers
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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Network Planning and Maintenance | - Fault management and performance monitoring - Transmission network design principles |
| Optical Transport Network Fundamentals | - SDH/SONET principles and architecture - OTN technology and frame structure - WDM system fundamentals |
| IPRAN and Converged Transport | - IPRAN architecture and deployment scenarios - Synchronization and timing in transport networks |
| Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
After the single main control is replaced with the main control, the new main control is inconsistent with the previous failed main control software, which alarm may be reported by the network element
- A. SWDL_INPROCESS
- B. SWDL_PKG_NOBDSOFT
- C. SWDL_PKGVER_MM
- D. SWDL_CHGMNG_NOMATCH
Correct Answer: D 🗳️
What is the wavelength of the OSC channel of Huawei OTN equipment? () (multiple choice)
- A. 1491nm
- B. 1550nm
- C. 1510nm
- D. 1565nm
- E. 1511nm
Correct Answer: A,C,E 🗳️
Reasons why it is impossible to frequently disconnect OTN equipment network elements
- A. The same NE user logs in to the NE at the same time
- B. Network element ID conflict
- C. Use optical monitoring, DCC mode setting is wrong
- D. The electrical monitoring is used, and the line quality is not good
Correct Answer: C 🗳️
The following about system OSNR commissioning errors are
- A. APE automatically adjusts the optical power of each channel to ensure that the optical power of the receiving end is flat, thereby ensuring a flat OSNR
- B. One of the principles of the OSNR flatness commissioning of the MPI-R point system: After the pump power is determined, the OSNR flatness of the MPI-R point is detected by a spectrometer, if the OSNR flatness is not up to standard (OSNR flatness index ≤ 2dB) , You need to adjust M40V
- C. The multiplexer is an M40V single board, "watching the receiving end, modulating the end", while ensuring that the optical power flatness meets the index requirements, the optical power flatness can be sacrificed to ensure the flatness of the OSNR (or BER)
- D. Adjust the single-wave flatness first, and then adjust the optical power of the main line
Correct Answer: D 🗳️
Which of the following statements about the ALC function and configuration principles of the OTN system is correct? () (multiple choice)
- A. The ALC function can automatically adjust the output optical power of the amplifier in which the line attenuation changes. Except for the first site, other sites must be equipped with power detection units
- B. If there are two cascaded OA boards in the node, the first node only configures the second OA board as the reference unit, and do not deploy the power detection unit
- C. The "working mode" of the OA board and RAU1/RAU2 board must be configured as "gain lock", if it is configured in other modes and ALC is configured, the ALC will not be adjusted
- D. It is recommended that the number of network elements in the ALC link is less than 20, otherwise the ALC adjustment may time out and cause failure
- E. The detection and reference unit of the first node cannot use the same optical port of the same board
- F. Each ALC link has a unique ID, and ALC nodes can belong to different DCN subnets
Correct Answer: A,B,C,E,F 🗳️
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