In PTN wrapping ring network protection, when a node detects network failure, through
A.MPLS
B.OAM
C.APM
D.APS
A.MPLS
B.OAM
C.APM
D.APS
A.device protection
B.wrapping protection
C.link protection
D.steering protection
A. Two adjacent ports of a link on 10GE ring belong to one VLAN domain and one IP network section.
B.All PTN devices should be enabled with service loopback address as NE ID in service forwarding plane. This loopback must be unique globally.
C.Service encapsulation VLAN ID is in range of 17~3000 and it is suggested to start from 101
D.VLAN IDs of nonadjacent link segments can be the same
在以太网中采用下面哪种网络技术?()
A . FDDI
B . ATM
C . CSMA/CD
D .Toke ring