tailieunhanh - Lecture Information systems (3e): Chapter 7 - Paige Baltzan

In this chapter you will: Identify several basic competitive strategies and explain how they use information technologies to confront the competitive forces faced by a business, identify several strategic uses of Internet technologies and give examples of how they help a business to gain competitive advantages, give examples of how business process reengineering frequently involves the strategic use of IT,. | CHAPTER SEVEN NETWORKS MOBILE BUSINESS Copyright © 2015 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. 1 CHAPTER OVERVIEW SECTION – Connectivity: The Business Value of a Networked World Overview of a Connected World Benefits of a Connected World Challenges of a Connected World SECTION – Mobility: The Business Value of a Wireless World Wireless Network Categories Business Applications of Wireless Networks Benefits of Business Mobility Challenges of Business Mobility 2 SECTION CONNECTIVITY 7-3 3 LEARNING OUTCOMES Explain the five different networking elements creating a connected world. Identify the benefits and challenges of a connected world 4 OVERVIEW OF A CONNECTED WORLD Networking Elements Creating a Connected World 5 Network Categories Local area network (LAN) - Connects a group of computers in close proximity, such as in an office building, school, or home Wide area network (WAN) - Spans a large geographic area such as a state, province, or country Metropolitan area network (MAN) - A large computer network usually spanning a city 6 Network Providers National service providers (NSPs) - Private companies that own and maintain the worldwide backbone that supports the Internet Network access points (NAPs) - Traffic exchange points in the routing hierarchy of the Internet that connects NSPs Regional service providers (RSPs) - Offer Internet service by connecting to NSPs, but they also can connect directly to each other 7 Network Access Technologies Bandwidth - The maximum amount of data that can pass from one point to another in a unit of time Bit Bit rate Modem 8 Network Access Technologies Broadband – A high-speed Internet connection that is always connected Digital subscriber line Internet cable connection High speed Internet cable connections Cable modem Telecommuting Broadband over power line 9 Network Protocols Protocol - A standard that specifies the format . | CHAPTER SEVEN NETWORKS MOBILE BUSINESS Copyright © 2015 McGraw-Hill Education. All rights reserved. No reproduction or distribution without the prior written consent of McGraw-Hill Education. 1 CHAPTER OVERVIEW SECTION – Connectivity: The Business Value of a Networked World Overview of a Connected World Benefits of a Connected World Challenges of a Connected World SECTION – Mobility: The Business Value of a Wireless World Wireless Network Categories Business Applications of Wireless Networks Benefits of Business Mobility Challenges of Business Mobility 2 SECTION CONNECTIVITY 7-3 3 LEARNING OUTCOMES Explain the five different networking elements creating a connected world. Identify the benefits and challenges of a connected world 4 OVERVIEW OF A CONNECTED WORLD Networking Elements Creating a Connected World 5 Network Categories Local area network (LAN) - Connects a group of computers in close proximity, such as in an office building, school, or home Wide area network (WAN)