Book Image

CCENT/CCNA: ICND1 100-105 Certification Guide

By : Bekim Dauti
Book Image

CCENT/CCNA: ICND1 100-105 Certification Guide

By: Bekim Dauti

Overview of this book

CCENT is the entry-level certification for those looking to venture into the networking world. This guide will help you stay up-to date with your networking skills. This book starts with the basics and will take you through everything essential to pass the certification exam. It extensively covers IPv4 and IPv6 addressing, IP data networks, switching and routing, network security, and much more—all in some detail. This guide will provide real-world examples with a bunch of hands-on labs to give you immense expertise in important networking tasks, with a practical approach. Each chapter consists of practice questions to help you take up a challenge from what you have procured. This book ends with mock tests with several examples to help you confidently pass the certification. This Certification Guide consists of everything you need to know in order to pass the ICND 1 100-105 Exam, thus obtaining a CCENT certification. However, practicing with real switches and routers or a switch or router simulator will help you succeed.
Table of Contents (18 chapters)
10
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Appendix G: Graphical Network Simulator-3 (GNS3)

Switched networks

If we compare the networks of the past to networks now, from a design point of view, the changes are obvious. But, if we look at networks from a purpose point of view, then we realize that the networks of the past and the networks today are no different at all. Both share a common goal: sharing of resources. To ensure that these resources are available to users, a large number of network devices are required to seamlessly work together. Among the numerous networking devices out there, switches are the ones that act as connection points, be it on a home network or a corporate network. As the name indicates, a switched network is a computer network that is made up mostly of switches. However, there is also the concept of a fully switched network, which represents a computer network that is solely comprised of switches.

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