正确答案: A

It will recall the previous command line

题目：After logging into a router and typing in a few show commands, you press the up arrow key. What will this do?

解析：解析：Explanation:

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学习资料的答案和解析：

[单选题]对于运行OSPF协议的路由器来说，RouterID是路由器的唯一标识，所以协议规定：必须保证RouterID在如下范围之内唯一（）。

自治系统内

[多选题]How could the Ezonexam corporation benefit from using VLANs on their network?(Select three answer choices.)

VLANs allow access to network services based on department, not physical location.

VLANs establish segmented broadcast domains in switched networks.

解析：A,E,F 解析：Explanation: