多选题What are two reasons why a device will fail to register to a community? （）(Choose two.)AThe community name is not configured.BThe registration server password is incorrect.CThe registration server IP address is incorrect.DThe backup registration server
题目
多选题
What are two reasons why a device will fail to register to a community? （）(Choose two.)
A
The community name is not configured.
B
The registration server password is incorrect.
C
The registration server IP address is incorrect.
D
The backup registration server IP address is missing.