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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Transmission Network Technologies | - DWDM/ROADM technologies - Optical layer networking and protection mechanisms |
| Topic 2: IPRAN and Converged Transport | - Synchronization and timing in transport networks - IPRAN architecture and deployment scenarios |
| Topic 3: Optical Transport Network Fundamentals | - WDM system fundamentals - SDH/SONET principles and architecture - OTN technology and frame structure |
| Topic 4: Network Planning and Maintenance | - Transmission network design principles - Fault management and performance monitoring |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
The existing network needs to be transformed into 1+1 line protection of OMS, the following description is correct (multiple choice)
- A. The line attenuation deviation of the main and backup channels is within 3dB
- B. The dispersion compensation of the main and backup channels can be different
- C. The configuration of the amplifier board of the main and standby channels can be different
- D. OLP single board needs to use high-power single board
- E. The distance between the main and backup channels is within 10KM
Correct Answer: B,C,D 🗳️
The OTU2 frame length is approximately four times the OTU1 frame length
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
The optical power of one wave is 3dBm, and the optical power of the other wave is 5dBm. The total optical power after the two waves are combined is 3+5 = 8dBm
- A. TRUE
- B. FALSE
Correct Answer: B 🗳️
For 10G and coherent 100G mixed transmission systems, the following description is correct
- A. For 100G single wave, since the dispersion tolerance is very large, the dispersion compensation can be compensated according to the compensation principle of 10G
- B. The OSNR threshold of the 100G single board is basically the same as that of 10G, so the configuration of the amplifier board can be configured according to the 10G standard.
- C. It is recommended to use long wavelength for 10G channel and short wavelength for 100G channel
- D. Commissioning requires commissioning in accordance with 100G commissioning requirements, that is, non-standard incoming fiber optical power commissioning method
Correct Answer: A 🗳️
Which of the following is correct for the FEC delay relationship ()
- A. The sender increases the overhead for encoding, and the receiver performs decoding, which will bring signal delay.
- B. 100GSDFEC delay (20%)>100GHFEC delay (7%)
- C. 100GHFEC delay>40GAFEC delay
- D. Typical value of AFEC delay of 40G coherent signal> Typical value of FEC delay
Correct Answer: A,B,D 🗳️
