Module 2 (NetAcad)

Question 1

All end devices and network devices require an ____

Answer 1

operating system (OS)

Question 2

The portion that interfaces with applications and the user is known as the ____

Answer 2

shell

Question 3

the portion of the OS that interacts directly with computer hardware is known as the ____

Answer 3

kernel

Question 4

The user can interact with the shell using a _____

Answer 4

command-line interface (CLI) or a graphical user interface (GUI).

Question 5

The user interface that allows users to request specific tasks from the computer. These requests can be made either through the CLI or GUI interfaces.

Answer 5

Shell

Question 6

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

Answer 6

Kernel

Question 7

The physical part of a computer including underlying electronics

Answer 7

Hardware

Question 8

When using a ____ the user interacts directly with the system in a text-based environment by entering commands on the keyboard at a command prompt,

Answer 8

CLI

Question 9

The ____ requires very little overhead to operate. However, it does require that the user have knowledge of the underlying command structure that controls the system.

Answer 9

CLI

Question 10

A ____ such as Windows, macOS, Linux KDE, Apple iOS, or Android allows the user to interact with the system using an environment of graphical icons, menus, and windows.

Answer 10

GUI

Question 11

GUIs may not always be able to provide all the features available with the ___

Answer 11

CLI

Question 12

The ___ is less resource intensive and very stable when compared to a GUI.

Answer 12

CLI

Question 13

The family of network operating systems used on many Cisco devices is called the _____

Answer 13

Cisco Internetwork Operating System (IOS)

Question 14

Give other Cisco operating systems

Answer 14

• IOS XE
• IOS XR
• NX-OS

Question 15

The operating system on home routers is usually called ____. The most common method for configuring a home router is by using a web browser-based GUI.

Answer 15

firmware

Question 16

____ are similar to a PC operating system. Through a GUI, a PC operating system enables a user to do the following:

• Use a mouse to make selections and run programs
• Enter text and text-based commands
• View output on a monitor

Answer 16

Network operating systems

Question 17

A ____ (e.g., the Cisco IOS on a switch or router) enables a network technician to do the following:

• Use a keyboard to run CLI-based network programs
• Use a keyboard to enter text and text-based commands
• View output on a monitor

Answer 17

CLI-based network operating system

Question 18

(T or F) Is the IOS version is dependent on the type of device being used and the required features?

Answer 18

True

Question 19

A ____ will forward traffic by default and does not need to be explicitly configured to operate.

For example, two configured hosts connected to the same new switch would be able to communicate.

Answer 19

switch

Question 20

This is a physical management port that provides out-of-band access to a Cisco device.

Answer 20

Console

Question 21

_____ access refers to access via a dedicated management channel that is used for device maintenancen purposes only.

Answer 21

Out-of-band

Question 22

What is the advantage of using a console port

Answer 22

Device is accessible even if no networking services are configured, such as performing the initial configuration

Question 23

What are the required software and console for a console connection

Answer 23

• Computer running terminal emulation software
• Special console cable

Question 24

___ is an in-band and recommended method for remotely establishing a secure CLI connection, through a virtual interface, over a network.

Answer 24

SSH (Secure Shell)

Question 25

(T or F) Does SSH connection require active networking services on the device, including an active interface configured with an address?

Answer 25

True

Question 26

____ is an insecure, in-band method of remotely establishing a CLI session, through a virtual interface, over a network.

Answer 26

Telnet

Question 27

Some devices, such as routers, may also support a____ that was used to establish a CLI session remotely over a telephone connection using a modem.

Answer 27

legacy auxiliary port

Question 28

What are some terminal emulation programs that you can use to connect to a networking device either by a sericla connection over a console port

Answer 28

- PuTTY - Tera Term - SecureCRT

Question 29

Using the ___- may provide the network administrator with more precise control and flexibility than using the GUI.

Answer 29

CLI

Question 30

As a security feature, the Cisco IOS software separates management access into the following two command modes:

Answer 30

- User EXEC Mode - Privileged EXEC Mode

Question 31

This mode has limited capabilities but is useful for basic operations. It allows only a limited number of basic monitoring commands but does not allow the execution of any commands that might change the configuration of the device.

Answer 31

User EXEC Mode

Question 32

To execute configuration commands, a network administrator must access privileged EXEC mode. Higher configuration modes, like global configuration mode, can only be reached from ___

Answer 32

privileged EXEC mode.

Question 33

- Mode allows access to only a limited number of basic monitoring commands - It is often reffered to as "view-only" mode

Answer 33

User EXEC Mode

Question 34

- Mode allows access to all commands and features - The user can use any monitoring commands and execute configureation and management commands

Answer 34

Privileged EXEC Mode

Question 35

What is this mode? Switch> Router>

Answer 35

User EXEC Mode

Question 36

What is this mode? Switch# Router#

Answer 36

Privileged EXEC Mode

Question 37

To configure the device, the user must enter global configuration mode, which is commonly called ____

Answer 37

global config mode.

Question 38

____is identified by a prompt that ends with (config)# after the device name, such as Switch(config)#.

Answer 38

Global configuration mode

Question 39

____is accessed before other specific configuration modes.

Answer 39

Global configuration mode

Question 40

T or F | From global config mode, can the user enter in different sub configuration modes?

Answer 40

True

Question 41

Userd to configure console, SSH, Telnet, or AUX access

Answer 41

Line Configuration Mode

Question 42

Used to configure a switch port or router network interface

Answer 42

Interface Configuration Mode

Question 43

T or F | By default does every prompt begins with the device name?

Answer 43

True

Question 44

To move from user EXEC mode to privileged EXEC mode, use the ____ command.

Answer 44

enable

Question 45

Use the ____ privileged EXEC mode command to return to user EXEC mode.

Answer 45

disable

Question 46

Privileged EXEC mode is sometimes called ___-

Answer 46

enable mode.

Question 47

To move in and out of global configuration mode, use the ____ privileged EXEC mode command.

Answer 47

configure terminal

Question 48

To return to the privileged EXEC mode, enter the ___ global config mode command.

Answer 48

exit

Question 49

To move from any subconfiguration mode of the global configuration mode to the mode one step above it in the hierarchy of modes, enter the ___ command.

Answer 49

exit

Question 50

To move from any subconfiguration mode to the privileged EXEC mode, enter the end command or enter the key combination ____

Answer 50

Ctrl+Z.

Question 51

Which IOS mode allows access to all commands and features?

Answer 51

Privileged EXEC Mode

Question 52

Which IOS mode are you in if the Switch(config)# prompt is displayed?

Answer 52

Global configuration mode

Question 53

Which Ios mode are you in if the Switch> prompt is displayed

Answer 53

User EXEC Mode

Question 54

A ____ must know the basic IOS command structure to be able to use the CLI for device configuration.

Answer 54

network administrator

Question 55

T or F | Does each IOS command has a specific format, or syntax, and can only be executed in the appropriate mode?

Answer 55

True

Question 56

This is a specific parameter defined in the operating system (in the figure, ip protocols).

Answer 56

Keyword

Question 57

This is not predefined; it is a value or variable defined by the user (in the figure, 192.168.10.5).

Answer 57

Argument

Question 58

After entering each complete command, including any keywords and arguments, press the ___ key to submit the command to the command interpreter.

Answer 58

Enter

Question 59

T or F | Does a command might require one or more arguments?

Answer 59

True

Question 60

To determine the keywords and arguments required for a command, refer to the ___

Answer 60

command syntax.

Question 61

Indicates command and keywords that you enter literally as shown

Answer 61

boldface

Question 62

Indicates arguments for which you supply values

Answer 62

italics

Question 63

Indicate and optional element (keyword or argument)

Answer 63

Square brackets

Question 64

Indicate a required element (keyword or argument)

Answer 64

Braces

Question 65

indicate a required choice within an optional element. Spaces are used to clearly delineate parts of the command

Answer 65

Braces and vertical lines within square brackets

Question 66

the syntax for using the description command is ___

Answer 66

description string.

Question 67

The argument is a ___ value provided by the user.

Answer 67

string

Question 68

The ___ command is typically used to identify the purpose of an interface.

Answer 68

description

Question 69

The command is ___ and the user-defined argument is the____ of the destination device. For example, ping 10.10.10.5.

Answer 69

ping, ip-address

Question 70

The command is ___ and the user-defined argument is the ip-address of the destination device. For example, traceroute 192.168.254.254

Answer 70

traceroute

Question 71

The IOS has two forms of help available:

Answer 71

context-sensitive help and command syntax check.