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Huawei H12-931-ENU Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Network Planning and Maintenance | - Fault management and performance monitoring - Transmission network design principles |
| Topic 2: IPRAN and Converged Transport | - Synchronization and timing in transport networks - IPRAN architecture and deployment scenarios |
| Topic 3: Transmission Network Technologies | - Optical layer networking and protection mechanisms - DWDM/ROADM technologies |
| Topic 4: Optical Transport Network Fundamentals | - OTN technology and frame structure - WDM system fundamentals - SDH/SONET principles and architecture |
Huawei Certified Internetwork Expert-Transmission Sample Questions:
The following are not precautions for preliminary testing:
- A. When testing, be careful not to look directly at the optical transmitter interface, so as not to damage your eyes.
- B. Prepare cotton swabs and alcohol, and pay attention to the cleaning of the connector at all times when testing the optical interface characteristics to ensure the accuracy of the test data.
- C. When performing a 24-hour bit error test, ensure that the entire test process is free from external interference (including human factors and power supply conditions, etc.). If there is an abnormality, the exact time of the abnormality should be recorded or the test should be repeated. The test time does not need to exceed 24 hours.
- D. Before the test, check whether the required test wires are complete, the type of connector and the applicability of the instrument and whether the connection is good.
Correct Answer: C 🗳️
For the OptiX OSN 8800 T16 subrack, the subrack ID is set by the DIP switch on the AUX board, and the subrack ID is displayed on the AUX board. The master and slave subracks are connected through the ETH1/ETH2 interfaces on the AUX board.
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
Hybrid MSTP devices support inter-domain (packet domain, TDM domain) intercommunication, which of the following descriptions is correct? (multiple choice)
- A. TDM services are carried by end-to-end SDH
- B. Packet services are carried by end-to-end SDH
- C. Packet services are carried by end-to-end packet
- D. TDN services are carried by end-to-end packets
Correct Answer: A,B,C,D 🗳️
When the MR1 board is used as an OSN1800 single fiber bidirectional in the following scenarios, you can use the MR2 or MR4 board instead
- A. FALSE
- B. TRUE
Correct Answer: A 🗳️
What are the possible reasons for reporting BUS_ERR among the following options (multiple choices)
- A. OOF (loss of clock: clock, frame header jitter; no clock board inserted)
- B. LOF (same as LOS; clock loss; business slot physical slot and logical slot are inconsistent)
- C. LOS (The channel of the service board or cross-connect board is not opened; the pin is reversed, and the board is not inserted tightly)
- D. Receive FIFO overflow (clock, frame header jitter; no clock board inserted)
Correct Answer: A,B,C,D 🗳️
