OAM功能可分为告警相关OAM功能、性能相关OAM功能以及其它OAM功能与告警OAM相关的参数包括()
A:Continuity and Connectivity Check (CC);
B:LB(Loopback);
C:LM(Frame Loss Measurement);
D:DM(Packet Delay and Packet Delay Variation Measurements (DM)
出自:移动通信机务员