A.Manual Mode

B.Dynamic Mode

C.Static mode

D.Auto Mode

A.For the ingress port of the Access attribute: if the input data does not have a VLAN ID, it will be transparently transmitted directly

B.For the ingress port of the Tag Aware attribute: if the input data does not have a VLAN ID, discard it

C.For the ingress port of the Tag Aware attribute: if the input data has a VLAN ID, the received data will be transparently transmitted

D.Ingress to the Access attribute: if the input data has a VLAN ID, discard the

A.The time on the network element side and the network management side is different

B.The NE user has logged in

C.The NE user password is incorrect

D.The communication between the network management and the network element is abnormal

A.Binary Data Streaming

B.Addressing and Routing

C.Physical Media Access

D.Establish turbulent-to-turbulent connections

A.There is a phase difference between the network element clock and the network clock

B.The frequency difference between the network element clock and the network clock

C.The network element is located at the SDH/PDH boundary

D.The NE clock works in hold mode