Basic Switch and End Device Configuration

Question 1

What are the parts of an operating system?

Answer 1

1) Shell
2)Kernel
3)Hardware

Question 2

Define the shell

Answer 2

Shell - The user interface that allows users to request specific tasks from the computer. These requests can be made either through the command-line interface (CLI) or graphical user interface (GUI) interfaces

Question 3

Explain CLI

Answer 3

When using a CLI, the user interacts directly with the system in a text-based environment by entering commands on the keyboard at a command prompt. However, it does require that the user have knowledge of the underlying command structure that controls the system.

Question 4

Explain GUI

Answer 4

Allows the user to interact with the system using an environment of graphical icons, menus, and windows.
Note: The operating system on home routers is usually called firmware. The most common method for configuring a home router is by using a web browser-based GUI.

Question 5

Define Kernel

Answer 5

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

Question 6

Define Hardware

Answer 6

The physical part of a computer including underlying electronics.

Question 7

What does a PC operating system enable the user to do through GUI?

Answer 7

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

Question 8

What does a CLI-based network operating system enables a network technician to do?

Answer 8

• 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 9

What are the access methods?

Answer 9

1) Console
2) Secure Shell
3) Telnet

Question 10

Define the console access method

Answer 10

a physical management port that provides out-of-band access to a Cisco device.
The advantage of using it is that the device is accessible even if no networking services are configured, A computer running terminal emulation software and a special console cable to connect to the device are required for a console connection.

Question 11

Define Secure Shell (SSH)

Answer 11

an in-band method for remotely establishing a secure CLI connection, through a virtual interface, over a network. Unlike a console connection, SSH connections require active networking services on the device, including an active interface configured with an address

Question 12

Define Telnet

Answer 12

an insecure, in-band method of remotely establishing a CLI session, through a virtual interface, over a network. Unlike SSH, Telnet does not provide a secure, encrypted connection and should only be used in a lab environment. User authentication, passwords, and commands are sent over the network in plaintext.

Question 13

Define out-of-band access

Answer 13

Access via a dedicated management channel that is used for device maintenance only.

Question 14

Talk about Terminal Emulation Programs

Answer 14

programs allow you to enhance productivity by adjusting window sizes, font sizes, and color schemes.
They include:
1) PuTTY
2) TeraTerm
3) Secure CRT