Which of the following monitoring boards do not support the processing and transparent transmission of 1588V2 signals? (Multiple choice)

• A.SC2
• B.AST2
• C.ST2
• D.SC1

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The following description of the Flexible ROADM, which is wrong?

• A.DFlexible ROADM is compatible with existing networks
• B.Flexible grid technology provides flexible bandwidth settings and flexible bandwidth allocation and scheduling.
• C.Improve spectrum utilization and meet flexible scheduling requirements in the future era of over 100 Gbit/= rate.
• D.WSMD2 board supports F1exible ROADM configuration

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After the signal of the standard Ethernet frame length of 64 Bytes is connected to the Ethernet board, if the QinQ function is enabled, what is the actual frame length of the signal inside the board?

• A.64 Bytes
• B.80 Bytes
• C.84 Bytes
• D.68 Bytes

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The E-Line service types supported by the MS-OTN packet device are: (Multiple Choice)

• A.E-Line carried by PW
• B.E-Line service based on QinQ
• C.E-Line service based on VL.AN
• D.Point-to-point transparent transmission of E-Line services

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Which of the following reasons does not cause optical power anomalies?

• A.The pigtail is too large
• B.Pigtail connection error
• C.Equipment temperature is too high
• D.Enable FEC function

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