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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. The following description of cluster management, the error is ()

A) A resource group needs to be online only if all the resource groups it depends on are activated before it can go online; when a resource group is offline, the resource groups it depends on are all offline before it can be offline
B) VVR group: includes basic resources for VCS operation; ClusterService group: used for data replication control
C) The nodes in the cluster have the same cluster ID
D) VVR must be started before the App, and then closed before the App

2. The insertion loss of the 40 sub-wavelength channels of D40 is 6dB, regardless of the influence of noise, when the signal is full-wave, the IN port optical power of D40 is X dBm. If the optical power of the IN port is reduced by 1dB, The measured value is () dBm. (Assuming that the optical power of each channel is balanced, lg40=1.6)

A) (X-6)
B) (X-23)
C) (X-22)
D) (X-5)

3. When configuring the dual-stage amplifier board of RAU+OAU, which position of the DCM module is recommended in the following figure is the best

A) 3
B) 1
C) 2
D) 4

4. Which of the following statements about PTN equipment Tunnel APS, PW APS, LMSP (1:N) protection is incorrect?

A) All belong to network-level protection
B) Different protection objects
C) Both need to enable OAM function
D) All use protection switching protocol

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

Solutions: