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全部科目 > 软件认证工程师考试 > 思科认证考试 > CCNA系列认证 > CCNA(640-801)

单项选择题

What is a global command?()

A. A command that is available in every release of IOS, regardless of the version or deployment status.
B. A command that can be entered in any configuration mode.
C. A command that is universal in application and supports all protocols.
D. A command that is implemented in all foreign and domestic IOS version.
E. A command that is set once and affects the entire router.

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