如果结果不匹配，请 
更多“ PTN指的是Packet Transport Networ…”相关的问题
B.To test SSF alarm function, AIS function needs to be enabled.
C.When on-demand LM function is enabled, you can set local LM or peer LM function and parameters like packet forwarding priority, sending interval, report interval and test time.
D.Forwarding priority of CV packet can be set randomly.
B.DM is used to measure packet transport delay and delay variation from one MEP to another MEP.
C.Experimental (EX) function: send frame. for experiment use in a management domai
D.CSF is used to transmit failure signal at client layer from T-MPLS trail termination source to T-MPLS trail termination sink.
E. loopback link detectio
A.传统的PTN网络 （非5G SPN设备），必须部署控制面网络
B.管控分离指的是UME的维护管理面 与UME的北向管理平台分开
C.南北向台一 指的是管控系统使用同一个网络接口连接DCN并可以通达北向OSS/PORTAL
D.管维合-指的是管理面与控制面合-部署
A.报文装数时间指的是PW报文装载TDM领的时间长度
B.报文装载时间的取值可以小于抖动缓冲时间
C.报文装教时间，两端网元的配置要确保相同
D.抖动道冲时间表示的是缓冲区的大小
A.bits → frame. → segment → packet → data
B.bits → frame. → packet → segment → data
C.bits → packet → segment → frame. → data
D.bits → segment → frame. → packet → data
A.Hello
B.Database Description packet
C.Link State Request Packet
D.Link State Update Packet
A、packet、frame、bit、segment
B、frame、bit、segment、packet
C、segment、packet、frame、bit
D、bit、frame、packet、segment
A.3.33ms
B.10ms
C.100ms
D.1s
