[单选题]下列命令中，无法正确执行的是（）

正确答案 ：A

Router(config)show run

[单选题]The Ezonexam corporate LAN consists of one large flat network. You decide to segment this LAN into two separate networks with a router. What will be the affect of this change?

正确答案 ：D

It will prevent segment 1's broadcasts from getting to segment 2.

解析：解析：Explanation

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