Types of Cisco Router

Introduction

This document provides information about less common types of system crashes. It is recommended that you read Troubleshooting Router Crashes before you proceed with this document.

Prerequisites

Requirements

There are no specific prerequisites for this document.

Components Used

This document is not restricted to specific software and hardware versions.

The information in this document was created from the devices in a specific lab environment. All of the devices used in this document started with a cleared (default) configuration. If your network is live, make sure that you understand the potential impact of any command.

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OSI Model in Networking in Urdu , Computer Networking tutorial 17 lecture

OSI Model in Networking in Hindi Urdu p1, Computer Networking tutorial 17 lectur. Developed by representatives of major computer and telecommunication companies beginning in 1983, OSI was originally intended to be a detailed specification of actual interfaces. Instead, the committee decided to establish a common reference model for which others could then develop detailed interfaces, which in turn could become standards. OSI was officially adopted as an international standard by the International Organization of Standards (ISO). The seven Open Systems Interconnection layers are: Layer 7: The application layer . This is the layer at which communication partners are identified (Is there someone to talk to?), network capacity is assessed (Will the network let me talk to them right now?), and that creates a thing to send or opens the thing received. Layer 6: The presentation layer. I...

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