输入 IOS 命令时按 Tab 键有什么作用？ What function does pressing the Tab key have when an IOS command is entered?
A. 它中止当前命令并返回到配置模式。 It aborts the current command and returns to configuration mode.
B. 它将光标移动到下一行的开头。 It moves the cursor to the beginning of the next line.
C. 它完成命令中部分键入的单词的剩余部分。 It completes the remainder of a partially typed word in a command.
D. 它退出配置模式并返回到用户 EXEC 模式。 It exits configuration mode and returns to user EXEC mode.
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在 show running-config 命令中，running-config 表示语法的哪一部分？ In the show running-config command, which part of the syntax is represented by running-config?
A. 命令 the command
B. 关键字 a keyword
C. 提示 a prompt
D. 变量 a variable
关于用户 EXEC 模式，哪两个说法是正确的？（选择两项。） Which two statements are true about the user EXEC mode? (Choose two.)
A. 所有路由器命令都可用。 All router commands are available.
B. 全局配置模式可以通过输入 enable 命令进入。 Global configuration mode can be accessed by entering the enable command.
C. 只能查看路由器配置的某些方面。 Only some aspects of the router configuration can be viewed.
D. 可以配置接口和路由协议。 Interfaces and routing protocols can be configured.
E. 此模式的设备提示以 ">" 符号。 The device prompt for this mode ends with the ">" symbol.
在路由器完成其启动序列后，网络管理员立即想要检查路由器的配置。在特权 EXEC 模式下，管理员可以为此使用以下哪些命令？（选择两项。） Immediately after a router completes its boot sequence, the network administrator wants to check the configuration of the router. From privileged EXEC mode, which of the following commands can the administrator use for this purpose? (Choose two.)
A. show flash show flash
B. show version show version
C. show startup-config show startup-config
D. show running-config show running-config
E. show nvram show nvram
标准误的英文缩写为
A. S
B. SE
C. SD
D. STD
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