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

Introduction to LANs

I'm going to start this section by asking you to complete an activity. The reason for this is that I feel that if you can understand how your home network is connected, you will understand the concepts we will discuss here better.

Activity 1: Sketch out your home network. Don't worry about artistic quality; this is not the aim here. Draw any device you have on your network and how they connect together. If they are wired together, draw a solid line between the devices; if they are wireless, draw a lightning bolt between them.

Congratulations! You have just drawn out a LAN. My home network is as follows:

Figure 2.2: My home network

So, what is a LAN? A LAN can be described as something that covers a small geographical area that's small enough that the devices can be classed as being local to each other. When you sketched your home network, all...