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CHAPTER 6 Telecommunications and Networks

Case One p. 261
Latest Telecom Technologies Feed Crucial Information to Physicians in CHA

Critical Thinking Questions
1. What would be the consequence of complete network failure to a medical organization like CHA? How could this be prevented?
2. What issues of privacy arise in the medical setting regarding wireless networking?

Case Two p. 262
Del Monte Provides Secure Connections for Telecommuters

Critical Thinking Questions
1. What benefits do Del Monte and its employees enjoy by providing extranet access to the Del Monte network?
2. If you could choose whether to work at home or in a corporate office, which would you choose and why?

CHAPTER 7 The Internet, Intranets, and Extranets

Case One p. 306
The Best Online Brick-and-Mortar Retailer

Critical Thinking Questions
1. If J.C. Penney’s online sales account for only 6 percent of total sales, why is it considered so valuable?
2. What other ways might J.C. Penney take advantage of its Web site to boost its total sales?

Case Two p. 307
Procter & Gamble Implement Enterprise 2.0

Critical Thinking Questions
1. How can each of the five Enterprise 2.0 applications used by P&G help its employees be more effective and efficient?
2. Compare and contrast e-mail, IM, and blogs as tools for effective communications.

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5/19/11 1:23 AM Print Chapter Page 1 of 61…menubar=0,directories=0,location=0,status=0,scrollbars=1,resizable=0 Telecommunications and Networks Chapter Introduction 6-1 An Overview of Telecommunications 6-1a Basic Telecommunications Channel Characteristics 6-1b Short Range Wireless Options 6-1c Medium Range Wireless Options 6-1d Wide Area Wireless Network Options 6-1e Future Wireless Communications Developments 6-2 Networks and Distributed Processing 6-2a Network Types 6-2b Basic Processing Alternatives 6-2c Client/Server Systems 6-2d Telecommunications Hardware 6-2e Telecommunications Software 6-2f Securing Data Transmission 6-2g Other Encryption Methods 6-2h Virtual Private Network (VPN) 6-3 Telecommunications Services and Network Applications 6-3a Cellular Phone Services 6-3b Linking Personal Computers to Mainframes and Networks 6-3c Voice Mail 6-3d Home and Small Business Networks 6-3e Electronic Document Distribution 6-3f Call Centers 6-3g Telecommuting and Virtual Workers and Workgroups 6-3h Videoconferencing 6-3i Electronic Data Interchange 6-3j Public Network Services 6-3k Electronic Funds Transfer 6-3l Distance Learning 6-3m Shared Workspace 6-3n Unified Communications 6-3o Specialized Systems and Services Chapter Recap
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5/19/11 1:23 AM Print Chapter Page 2 of 61…menubar=0,directories=0,location=0,status=0,scrollbars=1,resizable=0 Chapter Introduction PRINCIPLES LEARNING OBJECTIVES Information Systems in the Global Economy: Deloitte, Milan, Italy Unified Communications for Financial Management A telecommunications system and network have many fundamental components. Identify and describe the fundamental components of a telecommunications system. Identify two broad categories of telecommunications media and their associated characteristics. Identify several telecommunications hardware devices and discuss their functions. Telecommunications, networks, and their associated applications are essential to organizational success. Describe the benefits associated with the use of a network. Name three distributed processing alternatives and discuss their basic features. List and describe several telecommunications applications that organizations benefit from today. Deloitte Touche Tohmatsu, also known as Deloitte & Touche, or just Deloitte, is one of the world's largest financial services firms. Established more than 150 years ago by William Welch Deloitte, the company grew from a small accountancy office in London to a global network of member firms employing 150,000 professionals in 140 countries with $20 billion in total revenues. Today's demanding and competitive business environment requires professionals to extract the most value out of every minute of the workday. This means staying connected to corporate networks, accessing information, and communicating with colleagues from all locations: at the office, in a warehouse, in conference rooms, at airports, in vehicles, and at home. Businesses such as Deloitte realize that the quality of telecommunications systems and the services they deliver can dramatically affect a company's success. Recently, Deloitte in Milan, Italy, conducted a major reorganization to consolidate its five branches into one complex. The consolidation
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