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多选题
对在下面所示的路由条目中各部分叙述正确的是R172.16.8.0[120/4]via172.16.7.9,00:00:23,Serial0()
A

R表示该路由条目的来源是RIP;

B

172.16.8.0表示目标网段或子网;

C

172.16.7.9表示该路由条目的下一跳地址;

D

00:00:23表示该路由条目的老化时间;


参考答案

参考解析
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