A.For the ingress port of the Tag Aware attribute, if the input data does not carry the VLAN ID, discard.

B.For the ingress port for the Access attribute, if the input data carries the VLAN ID, discard.

C.For the ingress port of the Access attribute, if the input data does not carry the VLAN ID, it is directly transparent.

D.For the inbound port of the Tag Aware attribute, if the input data carries the VLAN ID, transparently receive the data.

A.Protection group parameter configuration error

B.Artificially issued a lock command

C.Waiting for the recovery time to be set too long

D.The protection channel is faulty

A.TRUE

B.FALSE

A.Wavelength

B.0DUk

C.PW

D.LSP

A.If the receiving end detects that the H1H2 byte is all "1", the local end generates an AU-AIS alarm.

B.Since the value of the AU-PTR pointer is placed in the last 10 bits of the two bytes H1 and H2, the valid value is 0~1023.

C.AU-PTR refers to the location of the J0 byte.

D.The root cause of the AU pointer adjustment is that the clocks between the upstream and downstream stations are not synchronized.