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The (radio) device periodically sends and receives LMCP packets to avoid information loss, and if packets are not received during ( ) LACp packet interaction cycles, the system considers the port to be down
(Single choice) The following statement about the PITP protocol is incorrect
The number of users under the OLT can also determine whether the VLA is single-layer or dual-layer VLA. Single-layer VLANs can be used when the number of users is small, and dual-layer VLANs must be used when the need to distinguish services and the number of users is second to ().
In the evolution of EPON to 10g EPON, a smooth transition is achieved at the local end by adding AWDM WDM module, and Odn coexists.
The Class D multicast address range is from 224. 0? 0? 0 to 238. 255? 255? 255?
The total downstream bandwidth of the 10G EPON PONI port is the sum of the EPON downstream bandwidth and the 10G EPON downstream bandwidth.
(Single-choice) An IPTV user reflects that the TV cannot be watched, open the debug switch on the OLT side, and the debug printing information is as follows: huawei( config).
This can be judged by the results of the query
Under the H.248 protocol, if the signaling IP and media IP are both 10. 1? 1? 100/8, voice gateway is 10. 1? 1? 1. When configuring voIP service, the following command is incorrect
Layer 2 enables IGMP-snooping , and when the switch port receives an IGMP join packet, it listens for the packet and adds the corresponding port to the multicast group
(Multi-select) Use 0TDR to locate the abnormally attenuated location in the optical path, and after the OTDR is connected to the detected line, which of the following parameters can be set.
OLT can support direct replication of user packet priority as the priority of forwarding packets, and also supports direct local configuration
(Radio) When using the siP protocol, you need to use a local number graph for matching, if you use the default matching mode to match a 7-digit number beginning with 7727, then the following options are available?
The figure is