Module 2: Basic Switch and End Device Configuration Flashcards

Vocabulary flashcards covering Cisco IOS access, navigation, command structure, device configuration, system files, and basic IP addressing.

Shell

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

Kernel

The software component that communicates between the hardware and software of a computer and manages how hardware resources are used.

Hardware

The physical part of a computer, including underlying electronics.

Console

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

Secure Shell (SSH)

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

Telnet

A protocol that establishes an insecure remote CLI connection to a device over the network, sending authentication, passwords, and commands in plaintext.

User EXEC Mode

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

Privileged EXEC Mode

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

Global Configuration Mode

A Cisco IOS command mode used to access configuration options on the device.

Line Configuration Mode

An IOS subconfiguration mode used to configure console, SSH, Telnet, or AUX access.

Interface Configuration Mode

An IOS subconfiguration mode used to configure a switch port or router interface.

Keyword

A specific parameter defined in the operating system CLI command structure.

Argument

A value or variable defined by the user in a CLI command structure that is not predefined.

Context-Sensitive Help

An IOS help feature that enables users to quickly find available commands, available parameters, and arguments for a specific command mode.

Command Syntax Check

An IOS help feature that verifies that a valid command was entered by the user and provides feedback if it cannot be understood.

startup-config

The saved configuration file stored in NVRAM that contains all the commands used by the device upon startup or reboot.

running-config

The configuration file stored in RAM that reflects the current configuration and affects device operation immediately.

Dotted Decimal Notation

The structure of an IPv4 address, represented by four decimal numbers between 0 and 255.

Subnet Mask

A 32-bit value that differentiates the network portion of an IPv4 address from the host portion.

Default Gateway

The IP address of the router that a host device uses to access remote networks, including the internet.

Switch Virtual Interface (SVI)

A virtual interface on a switch configured with an IP address and subnet mask to enable remote management access.

Dynamic Host Configuration Protocol (DHCP)

A network protocol that enables automatic IPv4 address configuration for end devices.