问题:
A . Traffic is switched from the first node receiving the AIS indication.
B . Traffic is switched from the far side of the failure, allowing handshaking to occur.
C . UPSR traffic is switched from the terminating node, BLSR traffic is rerouted from the originating node in the ring.
D . UPSR traffic is switched from the terminating node, circuit by circuit. BLSR traffic is rerouted from the last reachable node in the ring.
● 参考解析
本题暂无解析