The development trend of subway business is gradually transforming business to IP, but TDM will still exist for a long time. Such as voice dispatch telephone service;

• A.FALSE
• B.TRUE

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SOM online transmission performance monitoring does not affect customer business

• A.FALSE
• B.TRUE

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Which industry has multiple data center interconnection scenarios

• A.the Internet
• B.electricity
• C.traffic
• D.financial

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The main product of the power industry transfer product/solution ()

• A.MSTP scene main push OSN7500/OSN1800
• B.T8010 is the main push for the clock scene;
• C.OTN scene main push OSN9800 M24
• D.Main push of distribution network OLT products MA5800 series

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Huawei's all-optical video backhaul network is self-developed chip

• A.TRUE
• B.FALSE

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