Cisco Switch VTY Configuration and VTY Lines Quiz and Flashcards

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Questions and Answers

What does the help command do in user EXEC, privileged EXEC, and global config mode?

Provides context-sensitive help and checks command syntax (correct)

Completes a partial command name entry

Recalls the commands in the history buffer

Erases the character to the left of the cursor

How can commands and arguments be completed in Cisco IOS CLI?

Use the up arrow or Ctrl+P keys

Move the cursor one character to the left with Ctrl+B

Finish commands and arguments with the help command (correct)

Provide context-sensitive help

What is the purpose of using hot keys and shortcuts in the IOS CLI?

To recall commands in the history buffer

To complete partial command names

To provide context-sensitive help

To enhance command line editing (correct)

What does the Tab key do in the IOS CLI?

Completes a partial command name entry Signup and view all the answers

Which keystroke is used to move the cursor one character to the right in the IOS CLI?

Right Arrow or Ctrl+F Signup and view all the answers

How are commands and keywords shortened in the IOS CLI?

To the minimum number of characters that identify a unique selection Signup and view all the answers

What keystroke is used to end the configuration mode and return to privileged EXEC mode in Cisco IOS?

Ctrl-C Signup and view all the answers

In Cisco IOS, what does pressing any other key do when the '--More--' prompt is displayed?

Ends the display string, returning to privileged EXEC mode Signup and view all the answers

Which keystroke is an all-purpose break sequence used to abort DNS lookups, traceroutes, pings, etc. in Cisco IOS?

Ctrl-Shift-6 Signup and view all the answers

What does pressing the Space Bar do in Cisco IOS when the '--More--' prompt is displayed?

Displays the next screen Signup and view all the answers

Which keystroke is used to display the next line when the '--More--' prompt is shown in Cisco IOS?

Enter Key Signup and view all the answers

In Cisco IOS, what does pressing Ctrl-Z do when in any configuration mode?

Ends the configuration mode and returns to privileged EXEC mode Signup and view all the answers

What command is used to specify the VTY password?

password Signup and view all the answers

How can you enable VTY access on a Cisco device?

login Signup and view all the answers

What command is used to encrypt plaintext passwords in Cisco devices?

service password-encryption Signup and view all the answers

Why is a banner message important on a network device?

To warn unauthorized personnel Signup and view all the answers

What is the purpose of the 'startup-config' file on a Cisco switch?

It stores the configuration used upon device startup or reboot Signup and view all the answers

How many VTY lines do many Cisco switches support?

16 Signup and view all the answers

Where is the 'running-config' file stored on a Cisco switch?

Random Access Memory (RAM) Signup and view all the answers

What is the delimiting character used when creating a banner message on a Cisco device?

<h1></h1> Signup and view all the answers

What happens to the content of RAM when a Cisco device is powered off or restarted?

It is lost Signup and view all the answers

How can you save changes made to the 'running-config' file to the 'startup-config' file on a Cisco switch?

copy running-config startup-config Signup and view all the answers

Which file is modified immediately when changes are made to the configuration of a Cisco device?

'running-config' Signup and view all the answers

What type of memory is RAM on a Cisco switch?

Volatile memory Signup and view all the answers

What differentiates the network portion of an IPv4 address from the host portion?

Subnet mask Signup and view all the answers

How are IPv6 addresses written?

As a string of hexadecimal values separated by a colon Signup and view all the answers

What is the purpose of the default gateway address in networking?

To access remote networks, including the internet Signup and view all the answers

How many bits long are IPv6 addresses?

128 bits Signup and view all the answers

Which IP version is replacing the more common IPv4?

IPv6 Signup and view all the answers

What does the term 'dotted decimal notation' refer to?

Representing an IPv4 address with four decimal numbers between 0 and 255 Signup and view all the answers

Study Notes

Cisco IOS CLI Commands and Functions

The help command provides information on available commands and arguments in user EXEC, privileged EXEC, and global config modes.
Commands and arguments can be completed in Cisco IOS CLI by using the Tab key to auto-complete or by using the ? symbol to display available options.
Hot keys and shortcuts are used in the IOS CLI to increase efficiency and reduce typing.
The Tab key auto-completes commands and arguments in the IOS CLI.
The → key moves the cursor one character to the right in the IOS CLI.
Commands and keywords can be shortened in the IOS CLI by using abbreviations.
The Ctrl+Z keystroke is used to end the configuration mode and return to privileged EXEC mode in Cisco IOS.
When the --More-- prompt is displayed, pressing any other key scrolls down the output.
The Ctrl+[ keystroke is an all-purpose break sequence used to abort DNS lookups, traceroutes, pings, etc. in Cisco IOS.
Pressing the Space Bar when the --More-- prompt is displayed shows the next page of output.
Pressing the Return key when the --More-- prompt is displayed shows the next line of output.

Cisco IOS Configuration and Security

The password command is used to specify the VTY password.
VTY access can be enabled on a Cisco device by using the line vty command.
The service password-encryption command is used to encrypt plaintext passwords in Cisco devices.
A banner message is important on a network device to provide a warning or information to users.
The startup-config file on a Cisco switch stores the configuration that is loaded when the device boots up.
Many Cisco switches support 16 VTY lines.
The running-config file is stored in RAM on a Cisco switch.
The delimiting character used when creating a banner message on a Cisco device is ^.
The content of RAM is lost when a Cisco device is powered off or restarted.
Changes made to the running-config file can be saved to the startup-config file by using the copy running-config startup-config command.
The running-config file is modified immediately when changes are made to the configuration of a Cisco device.
RAM on a Cisco switch is a type of volatile memory.

IPv4 and IPv6 Addressing

The network portion of an IPv4 address is differentiated from the host portion by the subnet mask.
IPv6 addresses are written in hexadecimal notation, separated by colons.
The default gateway address is used to forward packets to other networks.
IPv6 addresses are 128 bits long.
IPv6 is the newer version of the IP protocol, replacing the more common IPv4.
Dotted decimal notation refers to the way IPv4 addresses are written in dotted decimal format.

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Description

Learn how to configure VTY lines on Cisco devices for remote access using Telnet or SSH. Explore commands like setting VTY password and enabling VTY access with login command.

Cisco VTY Configuration Commands

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