Free Access Huawei.H12-931-ENU.v2022-03-14.q118 Practice Test (Page 5)

Question 16

In NG-SDH equipment, which of the following conditions will not cause TPS switching to occur?

A.Report T_LOSEX on the working branch board

B.58M crystal oscillator abnormal

C.3.3V power supply undervoltage

D.Chip abnormality (SD538, SA527, CPLD)

Question 17

The C-band 40-wave system is transformed into a C-band 80-wave system. The correct description is (multiple choice)

A.Unprotected networking operation process will interrupt the original business

B.There is no change in the optical power of the OTU WDM side

C.Need to re-adjust the light emission power

D.The original business signal-to-noise ratio remains unchanged after operation

Question 18

The following about system OSNR commissioning errors are

A.The multiplexer is an M40V single board, "watching the receiving end, modulating the end", while ensuring that the optical power flatness meets the index requirements, the optical power flatness can be sacrificed to ensure the flatness of the OSNR (or BER)

B.APE automatically adjusts the optical power of each channel to ensure that the optical power of the receiving end is flat, thereby ensuring a flat OSNR

C.One of the principles of the OSNR flatness commissioning of the MPI-R point system: After the pump power is determined, the OSNR flatness of the MPI-R point is detected by a spectrometer, if the OSNR flatness is not up to standard (OSNR flatness index ≤ 2dB) , You need to adjust M40V

D.Adjust the single-wave flatness first, and then adjust the optical power of the main line

Question 19

The security management of network management mainly includes object management, password management, access control management and decentralized domain management, etc. The security management of network elements includes network element access control, network element user management, and network element operation authority management.

A.TRUE

B.FALSE

Question 20

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

A.DON network planning, OSS connection planning

B.Network management software/hardware configuration

C.Network scale planning, network management deployment planning

D.Network parameter planning and reliability planning of the network management server

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Question 16

Question 17

Question 18

Question 19

Question 20

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