When you configure the Layer 2 attribute of the Ethernet, you need to set the Default VLAN ID and VLAN Priority of the untagged frame when the TAC ID is set to Access or Hybrid.

• A.FALSE
• B.TRUE

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The optical and electronic shelves of the OSN 9800 are connected through the master-slave subrack cascading mode and connected through the GE 1/2 port on the CTu board.

• A.TRUE
• B.FALSE

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When performing fiber synchronization, the network element does not create a fiber. What does it indicate?

• A.Fiber connection exists only on the local network management side.
• B.Fiber connection that does not exist on the network management side and the NE side.
• C.Fiber connection only on the NE side.
• D.The fiber connection exists on both the network management side and the network element side.

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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 options can reduce the effects of nonlinear effects in the WDM system? (Multiple Choice)

• A.Using high performance fiber
• B.Advanced light source technology
• C.Dispersion management
• D.Control optical power

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