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