Book Image

Networking Fundamentals

By : Gordon Davies
Book Image

Networking Fundamentals

By: Gordon Davies

Overview of this book

A network is a collection of computers, servers, mobile devices, or other computing devices connected for sharing data. This book will help you become well versed in basic networking concepts and prepare to pass Microsoft's MTA Networking Fundamentals Exam 98-366. Following Microsoft's official syllabus, the book starts by covering network infrastructures to help you differentiate intranets, internets, and extranets, and learn about network topologies. You’ll then get up to date with common network hardware devices such as routers and switches and the media types used to connect them together. As you advance, the book will take you through different protocols and services and the requirements to follow a standardized approach to networking. You’ll get to grips with the OSI and TCP/IP models as well as IPv4 and IPv6. The book also shows you how to recall IP addresses through name resolution. Finally, you’ll be able to practice everything you’ve learned and take the exam confidently with the help of mock tests. By the end of this networking book, you’ll have developed a strong foundation in the essential networking concepts needed to pass Exam 98-366.
Table of Contents (23 chapters)
Free Chapter
Section 1: Network Infrastructure
Section 2: Network Hardware
Section 3: Protocols and Services
Section 4: Mock Exams
Mock Exam 1
Mock Exam 2

Understanding a network

Before we dive into this subject in detail, I think it is important to actually define what actually constitutes a network. Network is one of those terms that is used often but when you ask someone to describe it, they can't without being vague.

For the purpose of this book, I will define a network as a set of two or more endpoint devices that communicate with each other through a shared medium. You will notice that I refer to endpoint devices and avoid the use of the terms computer and servers. While it would not truly be incorrect to describe them as such, these terms tend to narrow down an individual's train of thought. We'll look at this in the following activity.

Activity 1: Make a list of all the devices you can think of that are networked in some way.

I would envisage that your list included at least PCs, servers, and laptops. At one...