The following description of the signal flow of the OTM site (OSN 8800 device), which is wrong?

• A.Service receiving direction: Line->FIU-> OAU-> M40V-> LSX-> SDH signals
• B.Service transmission direction: SDH signals-> LSX-> M40V-> OBU1-> Line
• C.OSC receiving direction: Line-> FIU-> Sc2
• D.Service transmission direction: SDH signals-> LSX->M40V-> OBU1-> FIU-> Line

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Which of the following versions of the GSCC board support CF cards?

• A.N3GSCC
• B.N6GSCC
• C.N1GSCC
• D.N4GSCC

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

• A.FALSE
• B.TRUE

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The collection and storage of on-site data includes periodic collection during normal operation of the equipment and collection of equipment failures. Generally, before the fault is processed, the maintenance personnel must collect and save the field data.

• A.FALSE
• B.TRUE

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Which of the following are the components of general package format of PWE3? (Multiple Choice)

• A.CW (Control Word)
• B.Type
• C.MPLS label
• D.Payload

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