A.It belongs to the optical monitoring channel type board

B.Realize the sending and receiving control of two optical monitoring signals in two directions

C.Only supports 1 channel of FE electrical signal transparent transmission

D.Support IEEE 1588v2 synchronous clock processing function

A.A tag stack is a sorted collection of tags. Theoretically, MPLS labels can be nested infinitely.

B.Multiple PW channels can be carried on one or more PSN Tunnels.

C.LSP contains different nodes, divided into Ingress, Transit and Egress, each LSP must contain the above three nodes.

D.MS-PW is carried by one PSN tunnel, while SS-PW is carried by multiple PSN tunnel segments.

A.Bit error detection

B.Pointer positive adjustment

C.Channel Tracking

D.Frame alignment

A.WSD9+WSM9

B.RDU9+RMU9

C.WSMD4

D.DWSS20

A.False

B.True