[多选题]The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. You are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.Which of the following are layer 1 devices that you can use? (Choose all that apply.)

正确答案 ：DE

A hub

A repeater

解析：解析：Explanation:

[单选题]扩展IP访问权限表的表号范围是：()

正确答案 ：C

100-199

[单选题]下列对RIP的配置中，合法的命令是（）

正确答案 ：C

router rip network 10.12.0.0

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