Free H31-331 Exam Braindumps (page: 20)

Page 20 of 46

All NEs in an NG WDM subnet on the U2000 are removed. The U2000 network management reports NE_COMMU_BREAK, NE_NOT_LOGIN, and GNE_CONNECT_FAIL alarms, and the service is not affected.
According to this fault phenomenon, which of the following are possible causes ()? (multiple choice)

  1. Gateway network element failure
  2. The network cable connection between the gateway network element and the HUB is interrupted or the HUB port is damaged.
  3. The gateway network element IP is incorrectly changed.
  4. Line cable failure
  5. In the scenario of no active/standby gateway NEs, the gateway NE performs the active/standby switchover of the main control board.
  6. In the scenario of the active and standby gateway NEs, the active gateway NE performs the active/standby switchover of the main control board.

Answer(s): A,B,C,E,F



The extensive use of EDFAs in wavelength division systems is the most important cause of signal-to- noise ratio degradation.

  1. True
  2. False

Answer(s): A



The signal-to-noise ratio of the post-wave test on the D40 board with the spectrum analyzer will be larger than the signal-to-noise ratio of the IN port test.

  1. True
  2. False

Answer(s): A



What are the possible reasons why optical line protection cannot be automatically recovered? (multiple choice)

  1. The protection group "recovery mode" is "non-recovery".
  2. The working channel has failed.
  3. Artificially performed manual switching, lock switching, or forced switching commands.
  4. The protection channel has failed.

Answer(s): A,B,C



Page 20 of 46



Post your Comments and Discuss Huawei H31-331 exam with other Community members:

Sam commented on September 11, 2024
Is it compulsory for you to answer every question before taking the exam?
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samsam commented on September 11, 2024
i hope this will help me pass
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Marc commented on September 11, 2024
Very useful after completing the course and preparing to sit for the exam
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Sanjna P commented on September 11, 2024
Q29 : the correct answer is C, D and E. Here is the article : https://help.salesforce.com/s/articleView?id=sf.c360_a_edit_segment.htm&type=5
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Yoyo commented on September 11, 2024
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Anonymous commented on September 11, 2024
There are some answers to some questions which are not entirely correct.
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vasavi commented on September 11, 2024
give me some more clarity
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