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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. The upgrade from GACSA to UXCSB for OSN 3500 equipment is as follows:
1. Replace the spare cross-connect board
2. Switching between active and standby cross-connect boards
3. Replace the original main cross board
4. Data consistency check

A) 4231
B) 2134
C) 4321
D) 1234

2. For 10G and coherent 100G mixed transmission systems, the following description is correct

A) 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.
B) Commissioning requires commissioning in accordance with 100G commissioning requirements, that is, non-standard incoming fiber optical power commissioning method
C) For 100G single wave, since the dispersion tolerance is very large, the dispersion compensation can be compensated according to the compensation principle of 10G
D) It is recommended to use long wavelength for 10G channel and short wavelength for 100G channel

3. Some statements about Sybase database, the correct one is () (multiple choice)

A) When importing a large amount of data in batches, the import fails, and the error code is: Failed to access the database? This is because the database link is not enough, just modify the database link
B) Cannot delete the database. When it prompts that the database is being used, you can use sp_who to find out the spid of the corresponding database, and use the kill command to kill the spid.
C) sybase database also supports the use of graphical interface configuration
D) When the database appears in the suspect state, it cannot be used or deleted. You can set the status of the database, let it be at the checkpoint, automatically truncate the log, and then restart the database

4. The PTN self-organizing network supports physical layer clock synchronization, IEEE 1588V2 clock and time synchronization, and IEEE 1588 ACR clock synchronization.

A) TRUE
B) FALSE

5. What is the incorrect reason for the OA_LOW_GAIN alarm?

A) The gain setting of the optical amplifier board is too low
B) The board that reported this alarm is faulty
C) The insertion loss between the TDC and RDC optical ports is too large (only for OAU boards)
D) The input optical power of the board is too high

Solutions: