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)

Summary

We can summarize the chapter with the following points:

  • Coding and decoding of messages are very important processes of communication:
    • Coding converts the information to an acceptable form for the transmission.
    • Decoding converts the received message into an intelligible language.
  • Packing bits into the frame so they can be transmitted represents the encapsulation.
  • When the receiving computer receives the frame and unpacks it by taking out the bits, this accomplishes de-encapsulation.
  • Communication between computers is very strict as far as the size of the message is concerned.
  • Access method, flow control, and response timeout are essential parts of the message timing:
    • In unicast message delivery, there is only one destination for the message
    • In multicast message delivery, there are several reachable destinations for the message.
    • In broadcast message delivery, all computers...