Walker - Computer Networking: The Complete Beginners Guide to Learning the Basics of Network Security, Computer Architecture, Wireless Technology and Communications Systems (Including Cisco, CCENT, and CCNA)

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Computer Networking

The Complete Beginner's Guide to Learning the Basics of Network Security, Computer Architecture, Wireless Technology and Communications Systems (Including Cisco, CCENT, and CCNA)

Benjamin Walker

Copyright 2019 - All rights reserved.

The content contained within this book may not be reproduced, duplicated or transmitted without direct written permission from the author or the publisher.

Under no circumstances will any blame or legal responsibility be held against the publisher, or author, for any damages, reparation, or monetary loss due to the information contained within this book. Either directly or indirectly.

Legal Notice:

This book is copyright protected. This book is only for personal use. You cannot amend, distribute, sell, use, quote or paraphrase any part, or the content within this book, without the consent of the author or publisher.

Disclaimer Notice:

Please note the information contained within this document is for educational and entertainment purposes only. All effort has been executed to present accurate, up to date, and reliable, complete information. No warranties of any kind are declared or implied. Readers acknowledge that the author is not engaging in the rendering of legal, financial, medical or professional advice. The content within this book has been derived from various sources. Please consult a licensed professional before attempting any techniques outlined in this book.

By reading this document, the reader agrees that under no circumstances is the author responsible for any losses, direct or indirect, which are incurred as a result of the use of information contained within this document, including, but not limited to, errors, omissions, or inaccuracies.

Table of Contents

Introduction

What do you know about Computers? What do you know about Computer Networking? There are so much going on in the world. Tech is evolving every day, and the interconnections in the computer field have left us with a giant web of systems and machines interacting with one another. What makes computer technology powerful is the interconnection it fosters. Right from your phone, you can interact with your desktop computer. This connection spans in so many different ways, all at the same time. Thanks to networking, the computer has become ubiquitous. It is the very core on which our 21 st -century life is premised.

The world has changed, it's either you stay on top of your game, or you end up in the dark. Staying in the loop of what is going on is the best you can do. Tech has transcended its role of revolutionizing our lives. It has become the very basis of life in the 21 st century. It all started with a giant machine, numerous wires connected spanning different distances. Now, its all a matter of bandwidth and more advanced networks.

There is so much to understand in the computer world, the widest of which is the whole Computer Network. A computer network are sets of computers which are connected for resource sharing.

This definition is as basic as it can get. However, don't be fooled; there are so many intricacies underlining this definition. Computer Networking is a whole world; it is easy to get blown away in this world. This book is culled from the immense knowledge of the author, on this subject, subjected to a grammatical breakdown which will foster an easy comprehension from you.

This text spans the whole essential elements to be understood, to the various functionalities, the wireless systems, communication, and to the more advanced concepts. In spite of the technical frameworks and structure that embellishes the Computer Networking world, this text is poised to deliver a perfect understanding of the most straightforward combination of words.

By reading this book from start to finish, your knowledge of Computer Networking is bound to attain professionalism, irrespective of its starting point. This is bound to be a long but enjoyable ride. Come along.

Hello World!

Computer Networking Defined: The Whole Concept.

What is Computer Networking?

Computer Networking is simply the formation of a computer network. A computer network can be defined as the collection of computers, printers, and other equipment that are connected (wired or wireless), with the ultimate aim of fostering communications between the devices. The process of creating this connection of devices is known as Computer Networking.

Technically, Computer Networking is referred to the process of transporting and exchanging data between points known as nodes, carried via a shared system, executed in an information system. The whole concept of Computer Networking does not consist only of the design, construction, and use of a network. It also involves the technical management, maintenance, and running of the involved infrastructure, software, and underlying policies.

In Computer Networking; systems, endpoints, and other devices can be connected, over a local area network (LAN), or a more extensive network. The larger networks, in this case, are the internet and the private Wide Area Network (WAN).

Every stakeholder (service providers, businesses, and consumers) has a role to play in ensuring that resources are effectively shared. This system of stakeholders also provides the effective use and offering of services.

Once the system involves a system responding to controls and information from a remote location, it can only be facilitated by one form of Computer Networking. Right from the making and receiving of Telephone calls, to the streaming of movies on the internet, to the internet of things. A network of Computers facilitates all.

The level of complexity of a particular network decides the skill level required to operate and maintain it. For instance, if an enterprise has numerous nodes amidst other security checks (like end-to-end encryptions), it requires an advanced level of technical administration to oversee it effectively. This is unlike the Local Area Network being utilized in a schools computer laboratory.

Components of Networking

Networking of Computers requires so many infrastructures for a seamless operation. The various types of network structures require different parts. These will be looked at extensively in the course of this book.

Physical network infrastructures are needed for a Computer Network, which includes but is not limited to; switches, routers, wireless access points, etc. There is also some underlying firmware which makes these infrastructures function correctly. Other than the physical systems, there is also the needed software deployed to monitor, manage, and secure the network.

For advanced networks, there is a need for standard protocols, which are designed to perform numerous discrete functions. These protocols are also used to communicate different data types, irrespective of the underlying hardware.

For instance, in the telephone system, a voice over IP (VoIP) can bring about the transportation of IP telephony traffic from one point to another, once these points support the protocol. This is also similar to what occurs in the browser, with the HTTP providing portals to accessing webpages. Also, over an IP based network, the IP protocols to transport data and services, since there is protocol compatibility.

Computer Networking Components Defined

As said earlier, hardware components need to be installed for the creation of a network. The fundamental elements are the Cables, Hubs, Switch, Network Interface Card (NIC), modem, and routers. In a wireless network, there is no need for cables; hence, it is eliminated.

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