CCNA

Learn-more-about-IPv4-Routing-Protocols

Learn about IPv4 Routing Protocols

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Learn about IPv4 Routing Protocols in this the routing (forwarding) process depends heavily on having an accurate and up-to-date IP routing table on each router. This section takes another check out routing protocols, considering the goals of a routing protocol, the methods routing protocols use to teach and learn routes, and an example. First, consider the goals of a routing protocol, no matter how the routing protocol works: To dynamically learn and fill the routing …

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Introduction-to-Popular-TCP-IP-Applications

Introduction to Popular TCP/IP Applications

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Introduction to Popular TCP/IP Applications in this article throughout your preparation for the CCNA Routing and Switching exams, you’ll come across a variety of TCP/IP applications. you ought to a minimum of remember of some of the applications which will be wont to help manage and control a network. The World Wide Web (WWW) application exists through web browsers accessing the content available on web servers. Although it’s often thought of as an end-user application, …

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Learn how to do Error Recovery and Reliability

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Learn how to do Error Recovery and Reliability in this TCP provides for reliable data transfer, which is additionally called reliability or error recovery, counting on what document you read. To accomplish reliability, TCP numbers data bytes using the Sequence and Acknowledgment fields within the TCP header. TCP achieves reliability in both directions, using the Sequence Number field of 1 direction combined with the Acknowledgment field within the opposite direction. Figure 5-7 shows an example …

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Introduction-to-TCP-and-UDP

Introduction to TCP and UDP

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Introduction to TCP and UDP in the OSI transport layer (Layer 4) defines several functions, the most important of which are error recovery and flow control. Likewise, the TCP/IP transport layer protocols also implement these same sorts of features. Note that both the OSI model and the TCP/IP model call this layer the transport layer. But as was common , when pertaining to the TCP/IP model, the layer name and number are supported OSI, so …

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Overview-of-TCP_IP-Applications

Overview of TCP/IP Applications

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Overview of TCP/IP Applications the whole goal of building an enterprise network, or connecting alittle home or office network to the web , is to use applications like web browsing, text messaging, email, file downloads, voice, and video. This section examines one particular application—web browsing using Hypertext Transfer Protocol (HTTP). the world Wide Web (WWW) consists of all the Internet-connected web servers within the world, plus all Internet-connected hosts with web browsers. Web servers, which …

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How-to-Access-Cisco-Catalyst-&-Switch-CLI

How to Access Cisco Catalyst & Switch CLI

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This article is explain How to Access Cisco Catalyst & Switch CLI , Cisco catalyst switches & Accessing the cisco IOS CLI. Cisco uses the concept of a command-line interface (CLI) with its router products and most of its Catalyst LAN switch products. The CLI may be a text-based interface during which the user, typically a network engineer, enters a text command and presses Enter. Pressing Enter sends the command to the switch, which tells …

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How-can-we-Cabling-the-Console-Connection

How can we Cabling the Console Connection

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How can we Cabling the Console Connection in this article is explaining how to cabling console connection in PC using switches and USB. The physical console connection, both old and new, uses three main components: the physical console port on the switch, a physical interface on the PC, and a cable that works with the console and serial ports. However, the physical cabling details have changed slowly over time, mainly due to advances and changes …

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All-You-Need-To-Know-About-Accessing-CLI-with-Telnet-and-SSH

All You Need To Know About Accessing CLI with Telnet and SSH

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All You Need To Know About Accessing CLI with Telnet and SSH in this article explain how to access CLI with telnet and SSH using user and enable (privileged) modes, password security for CLI access from the console. For many years, terminal emulator applications have supported much more than the power to speak over a serial port to a local device (like a switch’s console). Terminal emulators support a variety of TCP/IP applications also , …

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How-to-Configuring-Cisco-IOS-Software

How to Configuring Cisco IOS Software

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How to Configuring Cisco IOS Software first you will want to configure every switch in an Enterprise network, even though the switches will forward traffic even with default configuration. This section covers the essential configuration processes, including the concept of a configuration file and therefore the locations during which the configuration files are often stored. Although this section focuses on the configuration process, and not on the configuration commands themselves, you must know all the …

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LAN-Switching-Concepts

What are the LAN Switching Concepts

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LAN Switching Concepts A modern Ethernet LAN connects user devices also as servers into some switches, with the switches then connecting to every other, sometimes during a design like Figure 7-1. a part of the LAN, called a campus LAN, supports the end user population as shown on the left of the figure. user devices connect to LAN switches, which in turn connect to other switches so that a path exists to the rest of …

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