Huawei Certified Internetwork Expert-Transmission - H12-931-ENU certification

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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. If the OSN6800 device wants to achieve 1588V2 time synchronization, it must be configured with an electrical crossover board

A) FALSE
B) TRUE

2. In the network management planning process, which item is not completely necessary?

A) Network parameter planning and reliability planning of the network management server
B) Network management software/hardware configuration
C) DON network planning, OSS connection planning
D) Network scale planning, network management deployment planning

3. What is wrong with the workflow of U2000 CORBA and OSS interconnection?

A) start name service start notification service start U2000 CORBA
B) OSS accesses CORBA agent through CORBA client CORBA agent reports messages to OSS through event channel
C) CORBA registers CORBA in the notification service to create a channel to the name service
D) OSS connects to the name service through the CORBA client. The CORBA client of OSS finds the event channel through the name service

4. In the point-to-point WDM networking scenario, the signal-to-noise ratio of a certain single wave is low, and the other channels are normal. The reason is that it is impossible?

A) The gain slope of the amplifier changes
B) Increased attenuation on the light path
C) The transmit optical power of the OTU board corresponding to this wave has decreased
D) The attenuation of the pigtail from the OTU board corresponding to this wave to the multiplexer increases

5. In the test item of IEEE 1588V2 time protection function, what is wrong?

A) To test the long-term stability of the time performance in the PTP synchronization mode, the output time performance should be within ±1us.
B) Long-term jitter test in physical layer synchronization mode, using a time analyzer with GPS receiver to observe at the end node for more than 8 hours, and the test output time performance should be within ±1us.
C) On the OptiX OSN 8800, the active/standby status of the clock board and cross-connect board are related to each other. During the switching test, it is recommended to switch only the cross-connect board or clock board.
D) On the OptiX OSN 6800, the active/standby status of the clock board and cross-connect board are related to each other. During the switching test, it is recommended to switch only the cross-connect board or clock board.

Solutions: