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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...

Key benefits

•A step by step guide that will build you skills from basic concepts to completely understanding network communication

•Comprehensive coverage to help you implement the knowledge you've gained in real-world scenarios

•Take practice questions and mock tests to check how prepared you are for the CCENT exam

Description

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.

Who is this book for?

If you are a Network Administrator, Network Technician, Networking professional, or would simply like to prepare for your CCENT certification, then this book is for you. Some basic understanding of networks and how they work would be helpful. Sufficient information will be provided to those new to this field.

What you will learn

•Get to grips with the computer network concepts

•Understand computer network components and learn to create a computer network

•Understand switching and learn how to configure a switch

•Understand routing and learn how to configure a router

•Understand network services and the maintenance process

•Learn how to troubleshoot networking issues

•Become familiar with, and learn how to prepare for, the ICND1 100-105 exam

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