Module 2: Basic Switch and End Device Configuration

50 flashcards covering Cisco IOS access, navigation, command structure, device configuration, saving configurations, IP addressing, and connectivity verification.

What is the primary objective of Module 2: Basic Switch and End Device Configuration?

To implement initial settings including passwords, IP addressing, and default gateway parameters on a network switch and end devices.

In an operating system architecture, what is the role of the Shell?

The user interface that allows users to request specific tasks from the computer through CLI or GUI interfaces.

In an operating system architecture, what is the role of the Kernel?

It communicates between the hardware and software of a computer and manages how hardware resources are used to meet software requirements.

In the provided operating system architecture diagram, what three components surround hardware interactions?

Shell, Kernel, and Hardware.

What is a Graphical User Interface (GUI)?

An interface environment of graphical icons, menus, and windows that allows users to interact with a system with less required knowledge of underlying command structures.

Why are network devices typically accessed through a Command Line Interface (CLI) instead of a GUI?

GUIs can fail, crash, or simply not operate as specified.

What is a Console port on a Cisco device?

A physical management port used to access a device in order to provide maintenance, such as performing initial configurations.

What physical accessory shown in the image is used to connect a PC to a Cisco device's console port?

A Cisco console cable (DB9 to RJ-45).

What is Secure Shell (SSH)?

A protocol that establishes a secure remote CLI connection to a device through a virtual interface over a network.

What is the security risk associated with using Telnet for remote CLI connections?

User authentication, passwords, and commands are sent over the network in plaintext.

What are three examples of terminal emulation programs used to connect to network devices?

PuTTY, Tera Term, and SecureCRT.

What is User EXEC Mode in Cisco IOS?

A command mode that allows access to only a limited number of basic monitoring commands, identified by a prompt ending with the > symbol.

What is Privileged EXEC Mode in Cisco IOS?

A command mode that allows access to all commands and features, identified by a prompt ending with the # symbol.

What command transitions a user from User EXEC Mode to Privileged EXEC Mode?

enable

What command transitions a user from Privileged EXEC Mode to Global Configuration Mode?

configure terminal

Which subconfiguration mode is used to configure console, SSH, Telnet, or AUX access?

Line Configuration Mode.

Which subconfiguration mode is used to configure a switch port or router interface?

Interface Configuration Mode.

What command is used to move out of any subconfiguration mode to return to Global Configuration Mode?

exit

What command or key combination returns the user directly from any configuration mode to Privileged EXEC Mode?

The end command or Ctrl+Z.

According to the provided command structure diagram, what four elements make up a Cisco IOS CLI command entry?

Prompt, Command, Space, and Keyword or Argument.

What is a keyword in the Cisco IOS command structure?

A specific parameter defined in the operating system.

What is an argument in the Cisco IOS command structure?

A value or variable defined by the user rather than predefined by the operating system.

In Cisco IOS command syntax conventions, what does boldface text indicate?

Commands and keywords that are entered literally as shown.

In Cisco IOS command syntax conventions, what does italic text indicate?

Arguments for which the user supplies values.

In Cisco IOS command syntax conventions, what do square brackets [x] indicate?

An optional element (keyword or argument).

In Cisco IOS command syntax conventions, what do braces {x} indicate?

A required element (keyword or argument).

What is context-sensitive help in Cisco IOS?

A CLI feature accessed using ? that displays available commands, starting characters, or arguments in the current mode.

What feature does the Cisco IOS Command Syntax Check perform when an invalid command is entered?

It verifies that a valid command was entered and provides feedback describing what is wrong if the command cannot be interpreted.

What keystroke completes a partial command name entry in the Cisco IOS CLI?

Tab key.

What key sequence serves as an all-purpose break sequence to abort DNS lookups, traceroutes, or pings in Cisco IOS?

Ctrl+Shift+6

When CLI output displays a --More-- prompt, what key displays the next line?

Enter Key.

When CLI output displays a --More-- prompt, what key displays the next screen?

Space Bar.

What are the guidelines for naming a Cisco device using the hostname command?

Start with a letter, contain no spaces, end with a letter or digit, use only letters, digits, and dashes, and be less than $64$ characters in length.

What command returns a switch prompt back to its factory default name from Global Configuration Mode?

no hostname

What sequence of commands secures user EXEC access via the console port?

line console 0, password , and login.

What command secures Privileged EXEC Mode access using an encrypted password?

enable secret

What sequence of commands configures password protection for Virtual Terminal (VTY) lines 0 to 15?

line vty 0 15, password , and login.

What global configuration command encrypts all plaintext passwords displayed in configuration files?

service password-encryption

What command sets a Message of the Day banner on a Cisco network device?

banner motd # #

What is the startup-config file and where is it stored?

It is the saved configuration file stored in NVRAM that contains all commands used upon startup or reboot.

What is the running-config file and where is it stored?

It is the active configuration file stored in RAM that reflects the current operating configuration and is volatile.

What Privileged EXEC mode command saves changes made to the running configuration to the startup configuration file?

copy running-config startup-config

What Privileged EXEC mode command reboots a Cisco device?

reload

What Privileged EXEC mode command removes all configuration files from NVRAM?

erase startup-config

How is an IPv4 address formatted and represented?

Written in dotted decimal notation consisting of four decimal numbers between $0$ and $255$.

What is the purpose of an IPv4 subnet mask?

It is a $32$-bit value that differentiates the network portion of the address from the host portion.

What is the length and format of an IPv6 address?

It is $128$ bits in length, written as $32$ hexadecimal digits grouped into eight fields separated by colons (:).

What protocol enables automatic IPv4 address configuration for end devices?

Dynamic Host Configuration Protocol (DHCP).

What sequence of commands configures an IP address on a Switch Virtual Interface (SVI)?

interface vlan 1, ip address , and no shutdown.

What command is used to verify end-to-end connectivity between two devices?

ping