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PTN (Packet Transport Network)是一种以分组作为传送单位,承载电信级以太网业务为主,兼容TDM、()等业务的综合传送技术。
A.PON
B.OAM
C.DNN
D.ATM
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A.PON
B.OAM
C.DNN
D.ATM
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.
A.Two sides should in advance negotiate service VLAN on NNI interconnection ports, bind interface IP address of this VLAN, and notify each other of service loopback address (corresponding to LSR ID of Huawei's PTN devices)
B.Tunnel labels of the two sides must be the same.
C.PW labels of the two sides may be different.
D.Packet delay (corresponding to packet load delay of Huawei) at two sides must have the same configuration. It is suggested both sides use 500us.
A.Priority Level
B.Resource Type
C.Packet Delay Budget
D.Packet Error Rate
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.label of tunnel layer is 13
B.inner label of tunnel layer is 13
C.outer label of tunnel layer is 20
D.label of tunnel layer is 20
A. 包过滤型防火墙(PACKET FILTER)
B. 代理服务型防火墙(PROXY SERVICE)
C. 双宿主主机防火墙
D. 屏蔽主机防火墙
A、packet、frame、bit、segment
B、frame、bit、segment、packet
C、segment、packet、frame、bit
D、bit、frame、packet、segment