What is a global command?()
- A、a command that is set once and affects the entire router
- B、a command that is implemented in all foreign and domestic IOS versions
- C、a command that is universal in application and supports all protocols
- D、a command that is available in every release of IOS, regardless of the version or deployment status
- E、a command that can be entered in any configuration mode
正确答案:A
答案解析:有

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