单选题When gateways are registering with a gatekeeper， the gatekeeper can be（）.AOn the same subnetBOn a remote LANCIn a different subnetDAny of the above
单选题
When gateways are registering with a gatekeeper， the gatekeeper can be（）.
A
On the same subnet
B
On a remote LAN
C
In a different subnet
D
Any of the above
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