BUSINESS DATA
COMMUNICATIONS
SEVENTH E DITION
W ILLIAM S TALLINGS
T HOMAS C ASE
Copyright 2013: William Stallings
and Thomas Case
,© 2013 by William Stallings and
Thomas Case
All rights reserved. No part of
this document may be
reproduced, in any form or by
any means, or posted on the
Internet, without permission in
writing from the authors.
Selected solutions may be
shared with students, provided
that they are not available,
unsecured, on the Web.
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, NOTICE
This manual contains solutions to the review
questions and homework problems in Business
Data Communications, Seventh Edition. If you spot an
error in a solution or in the wording of a
problem, I would greatly appreciate it if you
would forward the information via email to
. An errata sheet for this manual,
if needed, is available at
http://www.box.com/shared/lnmh368v3u . File
name is S-BDC7e-mmyy.
W.S.
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, TABLE OF CONTENTS
CHAPTER 1 INTRODUCTION .......................................................... 5
CHAPTER 2 BUSINESS INFORMATION............................................... 8
CHAPTER 3 DISTRIBUTED DATA PROCESSING ................................... 15
CHAPTER 4 DATA TRANSMISSION ................................................ 29
CHAPTER 5 DATA COMMUNICATION FUNDAMENTALS ........................... 34
CHAPTER 6 DATA LINK CONTROL AND MULTIPLEXING ......................... 41
CHAPTER 7 THE INTERNET......................................................... 48
CHAPTER 8 TCP/IP ................................................................ 53
CHAPTER 9 CLIENT/SERVER, INTRANET, AND CLOUD COMPUTING ........... 58
CHAPTER 10 INTERNET-BASED APPLICATIONS .................................. 61
CHAPTER 11 INTERNET OPERATION .............................................. 64
CHAPTER 12 LAN ARCHITECTURE AND INFRASTRUCTURE ..................... 68
CHAPTER 13 ETHERNET, SWITCHES, AND VIRTUAL LANS ..................... 74
CHAPTER 14 WIRELESS LANS .................................................... 81
CHAPTER 15 WAN TECHNOLOGY AND PROTOCOLS ............................ 85
CHAPTER 16 WAN SERVICES ..................................................... 88
CHAPTER 17 WIRELESS WANS ................................................... 94
CHAPTER 18 COMPUTER AND NETWORK SECURITY THREATS ............... 101
CHAPTER 19 COMPUTER AND NETWORK SECURITY TECHNIQUES ........... 105
CHAPTER 20 NETWORK MANAGEMENT ......................................... 112
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