问题
单项选择题
In the WAN, when a point-to-point subnet is used, an important design issue is the router interconnection
A．technology
B．computer
C．service
D．lines
答案
参考答案：A
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In the WAN, when a point-to-point subnet is used, an important design issue is the router interconnection
A．technology
B．computer
C．service
D．lines
参考答案：A