The document discusses Cisco IOS user interface functions and configuration modes. It introduces the Cisco IOS command line interface (CLI) which uses commands, modes like user EXEC and privileged EXEC, and configuration modes to configure and manage Cisco devices. The CLI provides help facilities and commands are used to configure devices with settings like hostnames, passwords, and IP addresses. The document concludes with instructions for an introductory lab activity.
Operating Systems
Shell - 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.
Kernel - Communicates between the hardware and software of a computer and manages how hardware resources are used to meet software requirements.
Hardware - The physical part of a computer including underlying electronics.
Cisco IOS Access
GUI
A GUI allows the user to interact with the system using an environment of graphical icons, menus, and windows.
A GUI is more user-friendly and requires less knowledge of the underlying command structure that controls the system.
Examples of these are: Windows, macOS, Linux KDE, Apple iOS, and Android.
GUIs can fail, crash, or simply not operate as specified. For these reasons, network devices are typically accessed through a CLI.
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
CLI-based network operating system 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
Console – A physical management port used to access a device in order to provide maintenance, such as performing the initial configurations.
Secure Shell (SSH) – Establishes a secure remote CLI connection to a device, through a virtual interface, over a network. (Note: This is the recommended method for remotely connecting to a device.)
Telnet – Establishes an insecure remote CLI connection to a device over the network. (Note: User authentication, passwords, and commands are sent over the network in plaintext.)
Chapter 2 : Configuring a network operating systemteknetir
Upon completion of this chapter you will be able to:
1) Explain the purpose of the Cisco IOS.
2) Explain how to access and navigate Cisco IOS to configure network devices.
3) Describe the command structure of the Cisco IOS software.
4) Configure hostnames on a Cisco IOS device using the CLI.
5) Use Cisco IOS commands to limit access to device configurations.
6) Use Cisco IOS commands to save the running configuration.
7) Explain how devices communicate across network media.
8) Configure a host device with an IP address.
9) Verify connectivity between two end devices.
Chapter 02 - Configuring a Network Operating SystemYaser Rahmati
Cisco Networking Academy program
--------------------------------------------------------------------------------------------------
Objectives
Upon completion of this chapter you will be able to:
Explain the purpose of the Cisco IOS.
Explain how to access and navigate Cisco IOS to configure network devices.
Describe the command structure of the Cisco IOS software.
Configure hostnames on a Cisco IOS device using the CLI.
Use Cisco IOS commands to limit access to device configurations.
Use Cisco IOS commands to save the running configuration.
Explain how devices communicate across network media.
Configure a host device with an IP address.
Verify connectivity between two end devices.
Yaser Rahmati | یاسر رحمتی
Rahmati Academy | آکادمی رحمتی
www.yaser-rahmati.ir
www.rahmati-academy.ir
The Roman Empire A Historical Colossus.pdfkaushalkr1407
The Roman Empire, a vast and enduring power, stands as one of history's most remarkable civilizations, leaving an indelible imprint on the world. It emerged from the Roman Republic, transitioning into an imperial powerhouse under the leadership of Augustus Caesar in 27 BCE. This transformation marked the beginning of an era defined by unprecedented territorial expansion, architectural marvels, and profound cultural influence.
The empire's roots lie in the city of Rome, founded, according to legend, by Romulus in 753 BCE. Over centuries, Rome evolved from a small settlement to a formidable republic, characterized by a complex political system with elected officials and checks on power. However, internal strife, class conflicts, and military ambitions paved the way for the end of the Republic. Julius Caesar’s dictatorship and subsequent assassination in 44 BCE created a power vacuum, leading to a civil war. Octavian, later Augustus, emerged victorious, heralding the Roman Empire’s birth.
Under Augustus, the empire experienced the Pax Romana, a 200-year period of relative peace and stability. Augustus reformed the military, established efficient administrative systems, and initiated grand construction projects. The empire's borders expanded, encompassing territories from Britain to Egypt and from Spain to the Euphrates. Roman legions, renowned for their discipline and engineering prowess, secured and maintained these vast territories, building roads, fortifications, and cities that facilitated control and integration.
The Roman Empire’s society was hierarchical, with a rigid class system. At the top were the patricians, wealthy elites who held significant political power. Below them were the plebeians, free citizens with limited political influence, and the vast numbers of slaves who formed the backbone of the economy. The family unit was central, governed by the paterfamilias, the male head who held absolute authority.
Culturally, the Romans were eclectic, absorbing and adapting elements from the civilizations they encountered, particularly the Greeks. Roman art, literature, and philosophy reflected this synthesis, creating a rich cultural tapestry. Latin, the Roman language, became the lingua franca of the Western world, influencing numerous modern languages.
Roman architecture and engineering achievements were monumental. They perfected the arch, vault, and dome, constructing enduring structures like the Colosseum, Pantheon, and aqueducts. These engineering marvels not only showcased Roman ingenuity but also served practical purposes, from public entertainment to water supply.
How to Make a Field invisible in Odoo 17Celine George
It is possible to hide or invisible some fields in odoo. Commonly using “invisible” attribute in the field definition to invisible the fields. This slide will show how to make a field invisible in odoo 17.
Biological screening of herbal drugs: Introduction and Need for
Phyto-Pharmacological Screening, New Strategies for evaluating
Natural Products, In vitro evaluation techniques for Antioxidants, Antimicrobial and Anticancer drugs. In vivo evaluation techniques
for Anti-inflammatory, Antiulcer, Anticancer, Wound healing, Antidiabetic, Hepatoprotective, Cardio protective, Diuretics and
Antifertility, Toxicity studies as per OECD guidelines
Operation “Blue Star” is the only event in the history of Independent India where the state went into war with its own people. Even after about 40 years it is not clear if it was culmination of states anger over people of the region, a political game of power or start of dictatorial chapter in the democratic setup.
The people of Punjab felt alienated from main stream due to denial of their just demands during a long democratic struggle since independence. As it happen all over the word, it led to militant struggle with great loss of lives of military, police and civilian personnel. Killing of Indira Gandhi and massacre of innocent Sikhs in Delhi and other India cities was also associated with this movement.
Macroeconomics- Movie Location
This will be used as part of your Personal Professional Portfolio once graded.
Objective:
Prepare a presentation or a paper using research, basic comparative analysis, data organization and application of economic information. You will make an informed assessment of an economic climate outside of the United States to accomplish an entertainment industry objective.
Unit 8 - Information and Communication Technology (Paper I).pdfThiyagu K
This slides describes the basic concepts of ICT, basics of Email, Emerging Technology and Digital Initiatives in Education. This presentations aligns with the UGC Paper I syllabus.
Purpose: This slide introduces the two Cisco IOS EXEC modes on the Catalyst 1900 switch and routers.
Emphasize: As you present this, describe the bullet points that can prepare your students to work with the Cisco IOS user interface.
Emphasize: Here is a list of some of the configuration modes available.
For a complete list of the router configuration modes, refer to the Cisco Documentation CD-ROM.
Purpose: This slide describes the Help facilities on the Catalyst 1900 switch.
Emphasize: After showing how to log in to the Catalyst 1900 Cisco IOS CLI and enabled EXEC privileged mode, use this slide to present the three main types of command-line help available.
This list is similar to, but not as extensive as the types of command-line help on the router that you present later with a similar slide.
If at this point you can demonstrate what you are presenting, so much the better.
The help on the switch is very similar to the help on the router, so the details are only presented once, in the router section.
