1. 1 Review For Exam 3 (Part 2) BUS3500 - Abdou Illia, Fall 2010

2. 2 The Internet and eBusiness Part 1

3. 3 Brief history of the Internet 1969The Defense Advanced Research Projects developed ARPANET, the precursor of the Internet 1971Ray Tomlison invents e-mail 1979USENET newsgroups created at Duke University and the University of North Carolina 1984Domain Name System (DNS) established 1991Tim Berners-Lee creates the World Wide Web 1994First online shopping mall, first spam email, first pizza ordered online, first advertisement banner 2000A major denial of service attack brings down websites such as Yahoo!, Amazon.com, and eBay 2002Denial of service attack knocks out 8/15 root DNS servers Make sure you know what DNS is used for.

4. 4 Webserver needs: - Network (or Server) Operating System - TCP/IP - Domain name (e.g. eiu.edu) - Internet access - IP Address (e.g. 139.67.8.3) User PC needs: - Workstation Operating System - TCP/IP - Web browser (e.g. Internet Explorer) - Internet access (e.g. thru an ISP) - IP Address (e.g. 128.150.50.9) Accessing the Internet (www) Network Web Browser Packet Router Packet Route Webserver Software

5. 5 Internet applications/services  E-Mail  File transfers  Instant messaging (IM)  Newsgroups  Streaming audio and video  Internet telephony or VoIP  World Wide Web (WWW)  Portal

6. 6 Portal  A portal is A Web site that offers a broad array of resources and services; such as  email  newsgroup  Serach engines  Online shopping malls  Examples of portal: yahoo!, msn, aol

7. 7 Make sure you can …  Answer questions like those in InternetReview Questions (See link in Review section of class website)

8. 8 Summary Questions Refers to the slide # in class posted notes BookNotes 1)(a) Name some Internet applications/services (b) What is Instant Messaging? (c) What is a newsgroup? 9,14, 15 2) (a) What does a user PC needs for accessing the World Wide Web? (b) What is needed on the webserver side? 7 5)(a) What is an intranet? (b) an extranet? (c) portal 18,19

9. 9 Managing Security Part 2

10. 10 Best way to prepare  Review the ppt notes or chapter 7 and 12 in the course textbook to make sure you can answer the following questions Security Questions posted to the Review section of the course web site).

11. 11 Managing the Development and Purchase of IS Part 4

12. 12 See  Read the Exam 3 Review Notes (part 1) posted to the Review section of the course web site.  Review the SDM Questions, DFD Case (see links in the Review section of class website)  Review Extra-Credit 2 questions