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

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

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Which of the following ROADM boards have WSS optical modules? (Multiple Choice)

• A.RDU9
• B.WSD9
• C.WSM9
• D.WSMD9

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Which of the following statements about ROADM are correct?

• A.ROADM technology uses the NMS software to deliver configurations to implement the wavelength adding/dropping and pass-through status.
• B.O&M personnel need to provide onsite support for wavelength adjustment at ROADM sites.
• C.NG WDM equipment supports ROADM with fixed spectrum and Flexible ROADM with flexible spectrum.
• D.ROADM can adjust the optical power of the pass-through wavelength and the added wavelength.

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When the cross-board is configured with 1+1 hot backup, in the case of normal switching, the replacement of the cross-clock board does not affect the packet service.

• A.TRUE
• B.FALSE

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Two PIU/APIU boards use the hot backup mode to supply power to the system on the OSN 1800 device, when a PIU/APIU board fails, the system can still work normally.

• A.FALSE
• B.TRUE

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