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

Local addressing

As we mentioned briefly in the previous chapter, identifying devices on a local network can be done using hostnames, MAC addresses, and IP addresses. All of these must be unique within the LAN. Let's have a look at each of them.


A computer's hostname is an easy-to-read (for humans) method of identifying a device on the network. Each device's hostname is configured by the system administrator. The hostname may be reflective of the role that the device is performing; for example, MXServer for a mail exchange server, DC1 for a domain controller, and so on. They may follow a set naming convention; I have worked in organizations that name file servers after Star Wars characters, and print...