Networking Essentials: A Comptia Network+ N10-007 …

NETWORKING ESSENTIALS, FIFTH EDITION

A COMPTIA NETWORK+ N10-007 TEXTBOOK

JEFFREY S. BEASLEY AND PIYASAT NILKAEW

Pearson 800 East 96th Street Indianapolis, Indiana 46240 USA

Networking Essentials, Fifth Edition

Copyright ? 2018 by Pearson Education, Inc. All rights reserved. No part of this book shall be reproduced, stored in a retrieval system, or transmitted by any means, electronic, mechanical, photocopying, recording, or otherwise, without written permission from the publisher. No patent liability is assumed with respect to the use of the information contained herein. Although every precaution has been taken in the preparation of this book, the publisher and author assume no responsibility for errors or omissions. Nor is any liability assumed for damages resulting from the use of the information contained herein.

ISBN-13: 978-0-7897-5874-3 ISBN-10: 0-7897-5874-1

Library of Congress Control Number: 2017957345

Printed in the United States of America

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EDITOR-IN-CHIEF Mark Taub

PRODUCT LINE MANAGER Brett Bartow

DEVELOPMENT EDITOR Marianne Bartow

MANAGING EDITOR Sandra Schroeder

PROJECT EDITOR Mandie Frank

COPY EDITOR Kitty Wilson

INDEXER Ken Johnson

PROOFREADER Debbie Williams

TECHNICAL EDITOR Sean Wilkins

PEER REVIEWERS DeAnnia Clements Osman Guzide Gene Carwile Dr. Theodor Richardson

PUBLISHING COORDINATOR Vanessa Evans

DESIGNER Chuti Prasertsith

COMPOSITOR Tricia Bronkella

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CONTENTS AT A GLANCE

Introduction

xxii

1 Introduction to Computer Networks

2

2 Physical Layer Cabling: Twisted-Pair

60

3 Physical Layer Cabling: Fiber Optics

118

4 Wireless Networking

158

5 Interconnecting LANs

204

6 TCP/IP

254

7 Introduction to Switch Configuration

310

8 Introduction to Router Configuration

352

9 Routing Protocols

390

10 Internet Technologies: Out to the Internet

458

11 Troubleshooting

510

12 Network Security

558

13 Cloud Computing and Virtualization

614

14 Codes and Standards

642

Glossary

674

Index

692

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TABLE OF CONTENTS

Introduction

xxii

CHAPTER 1 Introduction to Computer Networks

2

Chapter Outline

3

Objectives

3

Key Terms

3

1-1 Introduction

5

1-2 Network Topologies

7

Section 1-2 Review

11

Test Your Knowledge

11

1-3 The OSI Model

12

Section 1-3 Review

14

Test Your Knowledge

15

1-4 The Ethernet LAN

16

IP Addressing

20

Section 1-4 Review

22

Test Your Knowledge

23

1-5 Home Networking

24

Securing a Home Network

33

IP Addressing in a Home Network

34

Section 1-5 Review

36

Test Your Knowledge

37

1-6 Assembling an Office LAN

38

Section 1-6 Review

43

Test Your Knowledge

43

1-7 Testing and Troubleshooting a LAN

44

Section 1-7 Review

47

Test Your Knowledge

47

Summary

48

Questions and Problems

48

Certification Questions

56

CHAPTER 2 Physical Layer Cabling: Twisted-Pair

60

Chapter Outline

61

Objectives

61

Key Terms

61

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CONTENTS

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