Which of the following is a good way to avoid creating discrete paths? (Multiple Choice)

• A.Guide users to learn business configuration specifications.
• B.The path with the protected route is to be broken or switched. Ensure that the configuration is complete and standardized.
• C.Try to use the path function to configure.
• D.The service of the single-station configuration should perform path search on the network to ensure that the service configuration is complete and standardized.

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The single-fiber bidirectional WDM system uses only one fiber to transmit optical signals in both directions simultaneously. The optical signals in both directions should be arranged at different wavelengths.

• A.TRUE
• B.FALSE

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Which particles can be cross-scheduled for the cross-board of the OSN 8800 device? (Multiple choice)

• A.ODUflex
• B.OPU2
• C.ODU2
• D.ODUO

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In the scenario where the non-convergence OTU processes OTN standard signals, both A and B are WDM sites. After receiving the OTUk_TIM alarm on the client side, the OTU board at station A sends the OTUk_BDI alarm to the upstream. When the TIM follow-up action is disabled, the alarm is no longer transmitted to the downstream. When the TIM follow-up action is enabled, an SF event is generated. The WDM side of the OTU board at station B reports the ODUk_PM_AIS alarm, and the ODUk_PM_AIS alarm is transmitted downstream. The client equipment reports this alarm. After the WDM side of the OTU board at station B receives the OTUk_TIM alarm and the TIM follow-up action is disabled, the alarm is no longer transmitted to the downstream. When the TIM follow-up action is enabled, an SF event is generated. After the client side of station B processes the SF event, the client equipment reports the ODUk_PM_AIS alarm.

• A.True
• B.False

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Which of the following description of the single station commissioning is wrong?

• A.In case of power failure, the contact board can be used without anti-static wrist or anti-static gloves.
• B.If the input voltage of the equipment is not within the required range, suggestions for rectification should be proposed.
• C.It is strictly forbidden to plug and unplug the power plug and PIU board.
• D.Single station hardware check is complete, make sure all power switches are in the off position

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