A.The fiber connection exists on both the network management side and the network element side.

B.Fiber connection only on the NE side.

C.Fiber connection exists only on the local network management side.

D.Fiber connection that does not exist on the network management side and the NE side.

A.Intelligent software main application management plane

B.The transmission plane refers to the traditional transmission network.

C.The management plane mainly refers to upper management such as network management.

D.Intelligent optical network consists of three planes

A.Point to point

B.Chain type

C.Mesh

D.Ring

A.The cross-connection configuration on the network element is wrong.

B.There is an outbound subnet service whose source or sink port is not within the scope of network management.

C.The logical fiber connection of the network element is inconsistent with the physical fiber connection.

D.The network element side configuration data is not uploaded to the U2000.

A.PBX

B.Softswitch platform

C.E&M voice exchange

D.Telecommunications Exchange