Basic Switch and End Device Configuration

Practice flashcards covering Module 2: Basic Switch and End Device Configuration, including Cisco IOS access, navigation, command structure, device security, configuration files, and IP addressing.

What is the primary objective of the Basic Switch and End Device Configuration module?

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

In an operating system, what is the role of the shell?

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

In an operating system, what is the function of the kernel?

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

How does a Graphical User Interface (GUI) allow a user to interact with the system?

By using an environment of graphical icons, menus, and windows.

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

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

What is the physical Console port on a Cisco device used for?

It is a physical management port used to access a device to provide maintenance, such as performing initial configurations.

What is Secure Shell (SSH) and why is it recommended over Telnet?

SSH establishes a secure remote CLI connection over a network, whereas Telnet sends authentication, passwords, and commands in plaintext.

Which remote access method sends user authentication, passwords, and commands over the network in plaintext?

Telnet.

What three terminal emulation programs are specifically mentioned as options to connect to a network device?

PuTTY, Tera Term, and SecureCRT.

Which primary IOS command mode allows access to only a limited number of basic monitoring commands?

User EXEC Mode.

Which symbol identifies the CLI prompt for User EXEC Mode?

The > symbol.

Which primary IOS command mode allows access to all commands and features?

Privileged EXEC Mode.

Which symbol identifies the CLI prompt for Privileged EXEC Mode?

The # symbol.

What is the purpose of Global Configuration Mode in Cisco IOS?

It is used to access configuration options on the device.

What is the difference in purpose between Line Configuration Mode and Interface Configuration Mode?

Line Configuration Mode is used to configure console, SSH, Telnet, or AUX access, while Interface Configuration Mode is used to configure a switch port or router interface.

Which command is used to transition from User EXEC mode to Privileged EXEC mode?

The enable command.

Which command moves a user from Privileged EXEC mode into Global Configuration mode?

The configure terminal command.

Which command is used to move out of Global Configuration mode back to Privileged EXEC mode?

The exit command.

How do you move from Global Configuration mode into Line Configuration mode?

By using the line command followed by the management line type.

What command or key combination returns you directly from any subconfiguration mode to Privileged EXEC mode?

The end command or the key combination Ctrl+Z.

In Cisco IOS command structure, what is a keyword?

A specific parameter defined in the operating system.

In Cisco IOS command structure, what is an argument?

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

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

Commands and keywords that are entered literally as shown.

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

Arguments for which the user supplies values.

What do square brackets [x] indicate in Cisco IOS command syntax?

An optional element (keyword or argument).

What do braces {x} indicate in Cisco IOS command syntax?

A required element (keyword or argument).

What are the two help features provided by Cisco IOS?

Context-sensitive help and command syntax check.

What information does context-sensitive help quickly provide to the user?

Which commands are available in each mode, which commands start with specific characters, and which arguments and keywords are available to particular commands.

How much can commands and keywords be shortened in the Cisco IOS CLI?

To the minimum number of characters that identify a unique selection.

What function does the Tab key perform in command line editing?

Completes a partial command name entry.

Which keystrokes recall commands in the history buffer, beginning with the most recent?

Up Arrow or Ctrl+P.

What key combination acts as an all-purpose break sequence to abort DNS lookups, traceroutes, or pings?

Ctrl-Shift-6.

When the --More-- prompt is displayed in Cisco IOS, what action does the Space Bar perform compared to the Enter key?

The Space Bar displays the next screen, while the Enter key displays the next line.

Which command returns a switch to its default prompt by removing its customized name?

The no hostname global config command.

What guidelines must be followed when choosing a device hostname?

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 are the recommended password guidelines for network devices?

Use passwords longer than eight characters, combine uppercase, lowercase, numbers, and special characters, avoid reusing passwords, and avoid common words.

What steps are required to secure user EXEC mode access on line console 0?

Enter line console 0 in global config mode, execute password password, and execute the login command.

Which command in global configuration mode secures privileged EXEC mode access?

The enable secret password command.

What commands are used to secure VTY line access on a switch?

Enter line vty 0 15 in global config mode, execute password password, and execute the login command.

How many VTY lines do many Cisco switches support and how are they numbered?

Up to 16 VTY lines, numbered 0 to 15.

Which command encrypts all plaintext passwords displayed in the configuration files?

The service password-encryption global config command.

How do you configure a Message of the Day banner on a network device?

Use the banner motd # the message of the day # global config command, where # is the delimiting character.

Where is the startup-config file stored, and does power loss affect its memory?

It is stored in NVRAM and does not lose its contents when the device is powered off.

Where is the running-config stored, and what happens to its content if power is lost?

It is stored in RAM (Random Access Memory), which is volatile and loses all contents when powered off or restarted.

Which command saves changes made to the running configuration into NVRAM?

The copy running-config startup-config privileged EXEC mode command.

Which command in privileged EXEC mode is used to remove all saved configurations from NVRAM?

The erase startup-config command.

How is an IPv4 address formatted?

It uses dotted decimal notation represented by four decimal numbers between 0 and 255.

How is an IPv6 address structured and represented?

It is 128 bits in length, written as a string of 32 hexadecimal values arranged in groups of four separated by colons.

What sequence of commands configures an IPv4 address on a Switch Virtual Interface (SVI) and enables it?

Enter interface vlan 1, apply ip address ip-address subnet-mask, and enter no shutdown.

What protocol enables automatic IPv4 address configuration for end devices?

Dynamic Host Configuration Protocol (DHCP).