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Huawei H12-931-ENU Exam Syllabus Topics:

Huawei Certified Internetwork Expert-Transmission Sample Questions:

1. Regarding U2000 dual-machine deployment, the following statement is wrong ()

A) During the process of associating/separating the primary and secondary sites, it is found that the VCS prompts a connection error. This situation is problematic. You need to check the heartbeat line communication between the primary and standby sites.
B) When using the maintenance tool to do the dual-machine active/standby association operation, the initiator is the primary site, and the data will be copied from the initiator to the designated remote server
C) The dual-system active/standby association will automatically stop the network management of the standby site, and then automatically start the network management of the primary site. If the network management of the primary site is already started, the network management will not be restarted
D) Configure the time/time zone, you need to close the database

2. The following is wrong about the position of the dispersion module in the signal flow.

A) If there is an OAU board, DCM is placed between OAU's TDC/RDC
B) The OTM station usually pre-fills 20KM DCM before sending OBU
C) If there are two OBU boards, the DCM is placed between the two OBUs
D) If there is only one OBU board, the DCM is placed after the OBU

3. Regarding the OSNR test of the OTN system, which of the following statements is correct? () (multiple choice)

A) The out-of-band noise interpolation method refers to inserting the noise of the instrument to replace the actual noise of the system
B) OptiX OSN8800/6800 equipment MCA online test 100G wavelength OSNR also uses the shutdown method
C) When using OSA to test OSNR, because the noise in the signal band cannot be directly tested, the out-of-band noise interpolation method is adopted to calculate the noise in the band
D) The 40G and 100G wavelengths overlap due to the signal spectrum, and the OSNR value tested by the traditional OSA test method is low
E) The integral method test OSNR is also called the turn-off method, and the channel business will be interrupted during the test. And in the case of a small number of waves, the OSNR value measured by the integral method has a certain deviation from the true value
F) After the wavelength signal passes through a filter device such as D40, the noise power between channels will be reduced, so the OSNR value of the traditional OSA test is higher

4. The TE link in the OTN electrical layer ASON is unidirectional. For example, there are two TE links between NS2 and NS2. The final number of links is the number of intelligent N-board ports (including relay N-board).

A) FALSE
B) TRUE

5. When deploying QoS, where the complex classification of data flows is usually deployed in the network

A) Edge access layer
B) Core layer
C) Convergence layer

Solutions: