單項選擇題

配置一條到達主機180.18.30.1/24所在LAN的靜態(tài)路由,下一跳地址為182.18.20.2,并且該路由的管理距離為90。正確的命令是()

A.ip router 90180.18.30.1255.255.255.0182.18.20.2
B.ip router 180.28.30.1255.255.255.0182.18.30.090
C.ip router 90180.18.30.0255.255.255.0182.18.20.2
D.ip router 180.18.30.0255.255.255.0182.18.20.290

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