多选题Which three statements are true about a registration server in a community?（） (Choose three.)AIt is a hub device installed in the community.BA community can have one or more registration servers.CIt shows the serial numbers of all devices in the community.DIt stores network and community information for each device.EIt is required for tunnel formation between different WX devices in the same community.
多选题
Which three statements are true about a registration server in a community?（） (Choose three.)
A
It is a hub device installed in the community.
B
A community can have one or more registration servers.
C
It shows the serial numbers of all devices in the community.
D
It stores network and community information for each device.
E
It is required for tunnel formation between different WX devices in the same community.
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