Which of the following is the data that needs to be collected and saved in the event of a failure? (Multiple Choice)

• A.Equipment alarms and performance events
• B.Operation log of the network management
• C.Configuration data for network elements and boards
• D.Running status data of the NE and the board

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

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The transmission plane mainly performs functions such as optical signal transmission, configuration protection switching, and reconnection, and ensures the reliability of the transmitted optical signal. However, the switching action of the transport layer is performed under the influence of the management dry surface and the control plane.

• A.FALSE
• B.TRUE

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The following description of the Directioned scenario, which is correct? (Multiple choice)

• A.If the current path needs to be adjusted, you must inbound to adjust the fiber connection of the network.
• B.When the service needs to be adjusted, or the working path is faulty, the optical crossover can be manually configured to implement flexible scheduling of services.
• C.The wavelength carrying the local service can be transmitted to fixed direction.
• D.Directioned scenes are applied to networks that are not ASON.

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MPLS APS is a network protection mechanism that implements service creation through the detection function of MPLS OAM.

• A.TRUE
• B.FALSE

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