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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. A certain network is configured with an optical line protection group, the initial difference between the main and standby input light is 2db, and the switching threshold of the main and standby input light difference is 5db, then which of the following situations will trigger the switching

A) The optical power of the main channel-the optical power of the standby channel = -4db
B) The optical power of the main channel-the optical power of the backup channel = 2db
C) The optical power of the main channel-the optical power of the standby channel = -2db
D) The optical power of the main channel-the optical power of the standby channel = 4db

2. What should be paid attention to when planning 1588V2 network? (multiple choice)

A) It is recommended to adopt BC mode for the whole network in the networking mode
B) 1PPS+TOD interface is more suitable for short distance (100m) transmission
C) In practical applications, there may be a distance difference between the two directions of the fiber optic transceiver, but there is no need to compensate for this. 1588V2 will automatically calculate it according to the algorithm
D) BMC algorithm must be activated to prevent looping

3. The existing network needs to be transformed into 1+1 line protection of OMS, the following description is correct (multiple choice)

A) OLP single board needs to use high-power single board
B) The configuration of the amplifier board of the main and standby channels can be different
C) The dispersion compensation of the main and backup channels can be different
D) The distance between the main and backup channels is within 10KM
E) The line attenuation deviation of the main and backup channels is within 3dB

4. GetEventChannel belongs to which step in the working principle of CORBA?

A) Session maintenance
B) Session announcement
C) Information query
D) Session initialization

5. NG-SDH equipment allocates ECC channel numbers according to certain principles. For example, by default, first insert a four optical port board in slot 4, the board will be assigned channel numbers 0, 1, 2, 3, and then insert an SL16 board in slot 2, then the board will be The assigned channel number is 4. If the SL16 board in slot 2 is unplugged at this time and a four optical port board is inserted in slot 8, what is the assigned channel number?

A) 4, 6, 7, 8
B) 4, 5, 6, 7
C) 5, 6, 7, 8
D) Random allocation

Solutions: