CCNA Ch. 2 Test Review

What prompt signifies Global configuration mode

(config) #

How can a technician discard changes that were done to the running configuration file?

Issue the RELOAD command without SAVING the running configuration

What command encrypts passwords that are stored in router or switch configuration files?

service password-encryption

What command is used to verify the status of the physical interfaces of a switch and if the SVI has been configured?

show ip interface brief

What command displays the contents of the current configuration file in RAM (contents are lost during a power cycle)?

show running-config

What command displays the contents of the saved configuration file in the NVRAM?

show startup-config

What command displays information about the currently loaded IOS version, along with hardware and device information?

show version

Displays the next screen

space bar

What key stroke will display the next screen of output at the "--- More---" prompt?

space bar

What key completes abbreviated commands and parameters?

tab

Completes the remainder of a partially typed command or parameter

tab key

Why is it important to configure a hostname on a device?

to identify the device during remote access

T or F.The enable secret password command is more secure than the enable password password.

true

Allows user to scroll backward through former commands

up arrow

What key scrolls backwards through previously entered commands?

up arrow

Three characteristics of an IPv4 address

32-bit number, 4 octets separated by a dot (dotted decimal), numbers range from 0-255, and must be unique for a device to communicate in a LAN

Provides context-sensitive help

?

Used to display a message when a user accesses the switch

Banner MOTD

When a command takes affect when entered while in the running-configuration file

Affects the operation of the device immedi

Exit

Allows a user to return to the previous level in the command hierarchy

CTRL-Shift-6

Allows the user to interrupt an IOS process such as ping or traceroute

What is a generic term for the collection of network operating systems used on Cisco networking devices?

Internetwork Operating System (IOS)

What are two ways a user can interact with the shell?

CLI and GUI

Enable

Command use to change the CLI between user and privileged modes

Configure terminal

Command used to enter global config mode

List the ways to access the CLI of a router or switch.

Console, Telnet/SSH, Aux port

Enables a new PC to be able to connect to the Internet with no additional configuration

DHCP

Which addressing method allows a new PC to reach the Internet after making a connection to the network?

DHCP

The ___ server is used to maintain the mapping between the IP addresses and names of various devices.

DNS

Flash

Default storage for IOS

Two functions provided to users by the context-sensitive help feature of the Cisco IOS CLI

Displaying a list of all available commands within the current mode and Determining which option, keyword, or argument is available for the entered command

Command that allows a user to return to the previous level in the command hierarchy

EXIT

Service password-encryption

Encrypts all passwords

T or F All network devices support an auxiliary connection.

False

Order of the 4 IOS modes that a user travels through in order to configure the console port

First mode = User EXEC (R1>) Second mode = Privileged EXEC (R1#) Third mode = Global Configuration (R1(Config)#) Final mode = Line Configuration (R1(Config-line)#)

List the IOS CLI hierarchical order from most basic to most specialize.

First mode: user exec mode Second mode: privileged exec mode Third mode: global configuration mode Fourth mode: other specific configuration

The IOS is stored in ___ (Non-volatile RAM).

Flash

Switch(Config)#

Global Configuration mode

Command used on a Windows PC to see its IP configuration

IPCONFIG

Reason for configuring a hostname on a device

Identify the device during remote access

The portion of the OS code that interacts directly with the computer hardware is known as the ___.

Kernel

Two features of RAM memory

Location of the configuration that is actively running on the device and Contents are lost during a power cycle

Command used to test connectivity

PING

Console

Password that reduces the chance of unauthorized personnel from physically plugging a cable into the device and gaining access to that device

Switch#

Privileged EXEC mode

Which of the two primary modes of operation has the higher level of authority?

Privileged exec mode

Give an example of volatile memory (erased during power cycle).

RAM

How to erase the Running-configuration file

Reload without saving the file

RAM

Running-config is stored there

Method used by a network administrator who needs to keep a remote connection secure and private

SSH

Copy Run Start

Saves the contents of RAM to NVRAM

Which remote access method will keep the user ID, password, and session contents private when establishing remote CLI connectivity with a switch to manage it?

Secure Shell (SSH)

Encrypts all passwords stored in the configuration file

Service Password-Encryption

Command used to display the contents of the saved configuration file in the NVRAM

Show Startup-config

NVRAM

Startup-config is stored there

Interface that allows remote management of a Layer 2 switch

The Switch Virtual Interface

Reason a Layer 2 switch needs an IP address

To be managed remotely

T or F. Changes made to the running configuration file take effect immediately.

True

Which procedure is used to access a Cisco 2960 switch when performing an initial configuration in a secure environment?

Use the CONSOLE_ port to locally access the switch from a serial or USB interface of the PC

Procedure used to access a switch when performing an initial configuration

Use the console port to locally access the switch from a serial of USB interface of the PC

Banner MOTD

Used for legal notification because it is displayed to all connected terminals

Tab

Used to complete the remainder of a partially typed command or keyword

Switch>

User EXEC mode

Mode that will be displayed if a valid IOS and config file are present AND a console password is not set

User EXEC mode or ">" prompt

What command displays a message that is used for legal notification when a user accesses router/switch?

banner motd

A router has a valid operating system and a configuration file stored in NVRAM. The configuration file contains an enable secret password but no console password. When the router boots up, which mode will display?

User mode

Three characteristics of the virtual interface

Uses Telnet/SSH protocols for access, Requires an active network connection, and Default SVI is VLAN 1

Which interface is the default SVI on a Cisco switch?

VLAN 1

List the three ways contextsensitive help (?) is used.

a. Get a LIST of available commands b. List of commands or keywords that START with a specific character or characters c. Determine which options, keywords, or arguments that MATCH a specific command

List the guidelines for host naming conventions.

a. Start with a LETTER b. Contain no SPACES c. End with a letter or DIGIT d. Use only letters, digits, and DEVICES e. Be less than 64 characters in length

What command is used to enter global configuration mode?

configure terminal

Which password reduces the chance of unauthorized personnel physically plugging a cable into the device and gaining device access?

console

List the two out-of-band connections used to configure a network device.

console or aux port

What command will save the contents of RAM to NVRAM?

copy running -config startup-config

Aborts commands such as PING or TRACEROUTE

ctrl + shift + 6

What key combination allows the user to abort commands such as ping or traceroute?

ctrl + shift+ 6

The ___ ___ address is the IP address of the router interface used for network traffic to exit the local network.

default gateway

Which command or key combination allows a user to return to the previous level in the command hierarchy?

disable or exit

The structure of an IPv4 address is called ___ decimal notation and is represented with ___ decimal numbers between __ and ___

dotted or four or 0 or 255

What command is used to change the CLI between the user and privileged modes?

enable

List the four types of passwords used for basic security.

enable password or enable secret or console password or VTY password

To move from any submode of the privileged EXEC mode to the privileged EXEC mode, enter the __ command or enter the key combination __.

end or ctrl z

What command will remove the contents of NVRAM?

erase startup-config

What are three configurations needed to connect an end device to a network?

ip adress and subnet mask default gateway

What is the Windows PC command to show the IP address of that PC?

ipconfig

Why would a Layer 2 switch need an IP address?

managed remotely

What command is used to administratively enable the interface to an active state?

no shut down

IP addresses can be assigned to both ___ ports and ___interfaces on devices.

physical or virtual

What command is used to test for connectivity?

ping

Which interface allows remote management of a Layer 2 switch?

virtual interface