A.The optical layer path and the electrical layer path are independent. It is not necessary to delete the electrical layer path when deleting the optical layer path.

B.Deactivation will delete the configuration of the U2000, which has no impact on the device side services.

C.When the OCh path exists, you can directly create a client path. The NMS automatically creates an ODUk path.

D.The optical layer path must be deleted first when the electrical layer path is removed.

A.PW APS

B.Tunnel APS

C.TPS

D.LAG

A.Intelligent software main application management plane

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

C.Intelligent optical network consists of three planes

D.Management plane mainly refers to upper management such as network management

A.>20dB

B.>25dB

C.<25dB

D.<20dB

A.TE Link

B.ASON Domain

C.ASON NE

D.SC