发出 ping 命令后，管理员在交换机上使用 Ctrl-Shift-6 组合键。使用这些按键的目的是什么？ An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?
A. 重新启动 ping 过程 to restart the ping process
B. 退出到不同的配置模式 to exit to a different configuration mode
C. 中断 ping 过程 to interrupt the ping process
D. 允许用户完成命令 to allow the user to complete the command
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请参见图示。管理员正在尝试配置交换机，但收到图中显示的错误消息。问题是什么？ Refer to the exhibit. An administrator is trying to configure the switch but receives the error message that is displayed in the exhibit. What is the problem?
A. 管理员必须通过控制台端口连接才能访问全局配置模式。 The administrator must connect via the console port to access global configuration mode.
B. 必须使用整个命令 configure terminal。 The entire command, configure terminal, must be used.
C. 在发出命令之前，管理员必须先进入特权 EXEC 模式。 The administrator must first enter privileged EXEC mode before issuing the command.
D. 管理员已经处于全局配置模式。 The administrator is already in global configuration mode.
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.
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.
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