超星 - 1.18 Cisco IOS命令行 -测验

单选题

哪种 Cisco IOS 模式会显示 Router# 的提示？ Which Cisco IOS mode displays a prompt of Router#?

A. 全局配置模式 global configuration mode
B. 设置模式 setup mode
C. 用户执行模式 user EXEC mode
D. 特权执行模式 privileged EXEC mode

单选题

在对网络问题进行故障排除时，网络管理员在路由器上发出 show version 命令。使用这个命令可以查到什么信息？ While troubleshooting a network problem, a network administrator issues the show version command on a router. What information can be found by using this command?

A. 接口的带宽、封装和 I/O 统计信息 the bandwidth, encapsulation, and I/O statistics on the interfaces
B. 备份配置和当前运行配置之间的差异 differences between the backup configuration and the current running configuration
C. 路由器上运行的路由协议的版本 the version of the routing protocol that is running on the router
D. 安装在路由器上的 NVRAM、DRAM 和闪存的数量路由器 the amount of NVRAM, DRAM, and flash memory installed on the router

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单选题

IOS 命令结构中的术语关键字和参数有什么区别？ What is the difference between the terms keyword and argument in the IOS command structure?

A. 输入的关键字具有预定义的长度。参数可以是任意长度。 A keyword is entered with a predefined length. An argument can be any length.
B. 关键字是特定的参数。参数不是预定义的变量。 A keyword is a specific parameter. An argument is not a predefined variable.
C. 完成命令需要关键字。参数不是。 A keyword is required to complete a command. An argument is not.
D. 关键字总是直接出现在命令之后。一个论点没有。 A keyword always appears directly after a command. An argument does not.

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单选题

哪个命令或组合键允许用户返回到命令层次结构中的上一级？ Which command or key combination allows a user to return to the previous level in the command hierarchy?

A. Ctrl-C Ctrl-C
B. 退出 exit
Ctrl-Z Ctrl-Z
D. 结束 end

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单选题

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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单选题

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.

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单选题

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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单选题

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

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多选题

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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多选题

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

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