NECC Mod 2

Question 1

All end devices and network devices require an?

Answer 1

operating system (OS)

Question 2

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 2

Shell

Question 3

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

Answer 3

Kernel

Question 4

The physical part of a computer including underlying electronics.

Answer 4

Hardware

Question 5

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 5

GUI

Question 6

Through a GUI, a PC operating system enables a user to do the following:

Answer 6

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

Question 7

A CLI-based network operating system (e.g., the Cisco IOS on a switch or router) enables a network technician to do the following:

Answer 7

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

Question 8

Which access method would be most appropriate if you were in the equipment room with a new switch that needs to be configured?

Answer 8

Console

Question 9

Which access method would be most appropriate if your manager gave you a special cable and told you to use it to configure the switch?

Answer 9

Console

Question 10

Which access method would be the most appropriate in-band access to the IOS over a network connection?

Answer 10

Telnet/SSH

Question 11

Which access method would be the most appropriate if you call your manager to tell him you cannot access your router in another city over the internet and he provides you with the information to access the router through a telephone connection?

Answer 11

Aux

Question 12

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. The user _____ mode is identified by the CLI prompt that ends with the > symbol.

Answer 12

User EXEC Mode
Switch>
Router>

Question 13

To execute configuration commands, a network administrator must access ____________ mode. Higher configuration modes, like global configuration mode, can only be reached from privileged EXEC mode. The ___________ mode can be identified by the prompt ending with the # symbol.

Answer 13

Privileged EXEC Mode
Switch#
Router#

Question 14

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

Answer 14

global config mode
Switch(config)#.

Question 14

Used to configure console, SSH, Telnet, or AUX access.

Answer 14

Line Configuration Mode

Question 15

Used to configure a switch port or router network interface.

Answer 15

Interface Configuration Mode

Question 16

IOS mode allows access to all commands and features?

Answer 16

Privileged EXEC Mode

Question 17

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

Answer 17

Global Configuration mode

Question 18

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

Answer 18

user EXEC mode

Question 19

What two commands would return you to the privileged EXEC prompt regardless of the configuration mode you are in?

Answer 19

CTRL + Z and End

Question 20

This is a specific parameter defined in the operating system.

Answer 20

Keyword

Question 21

This is not predefined; it is a value or variable defined by the user.

Answer 21

Argument

Question 22

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

Answer 22

ping ip-address

Question 23

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

Answer 23

traceroute ip-address

Question 24

Completes a partial command name entry.

Answer 24

Tab

Question 25

Erases the character to the left of the cursor.

Answer 25

Backspace

Question 26

Recalls the previous command in the history buffer, beginning with the most recent command.

Answer 26

Up Arrowor Ctrl+P

Question 27

Displays the next line.

Answer 27

Enter Key

Question 28

Displays the next screen.

Answer 28

Space Bar

Question 29

When in any configuration mode, ends the configuration mode and returns to privileged EXEC mode. When in setup mode, aborts back to the command prompt.

Answer 29

Ctrl-C

Question 30

When in any configuration mode, ends the configuration mode and returns to privileged EXEC mode.

Answer 30

Ctrl-Z

Question 31

All-purpose break sequence used to abort DNS lookups, traceroutes, pings, etc.

Answer 31

Ctrl-Shift-6

Question 32

When the naming convention has been identified, the next step is to use the CLI to apply the names to the devices. As shown in the example, from the privileged EXEC mode, access the global configuration mode by entering the configure terminal command. Notice the change in the command prompt.

Answer 32

Switch# configure terminal
Switch(config)# hostname Sw-Floor-1
Sw-Floor-1(config)#

Question 33

What is the command to assign the name “Sw-Floor-2” to a switch?

Answer 33

hostname Sw-floor-2

Question 34

How is the privileged EXEC mode access secured on a switch?

Answer 34

enable secret class

Question 35

Which command enables password authentication for user EXEC mode access on a switch?

Answer 35

login

Question 36

Which command encrypts all plaintext passwords access on a switch?

Answer 36

service password-encryption

Question 37

Which is the command to configure a banner to be displayed when connecting to a switch?

Answer 37

banner motd $ Keep out $

Question 38

This is the saved configuration file that is stored in NVRAM. It contains all the commands that will be used by the device upon startup or reboot. Flash does not lose its contents when the device is powered off.

Answer 38

startup-config

Question 39

This is stored in Random Access Memory (RAM). It reflects the current configuration. Modifying a running configuration affects the operation of a Cisco device immediately. RAM is volatile memory. It loses all of its content when the device is powered off or restarted.

Answer 39

running-config