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)

Communication in Computer Networks

This chapter continues to build the content from the previous chapter. Thus, in this chapter, you will get to know more concepts and definitions about computer networks. We will begin with how computers communicate, where concepts such as message encoding, formatting and encapsulation, and size and timing are explained. Then, message delivery types and types of communication channels will be discussed. Afterwards, we will continue with detailed explanations about communication protocols, OSI and TCP/IP models, and OSI layers and their protocols. The chapter also discusses the Ethernet as the most popular communication technology for LANs, as well as the Ethernet's history, protocols, frame, and Media Access Control (MAC) addresses. Finally, this chapter will conclude with a discussion about IP addressing technologies such as IPv4 and IPv6...