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1
Review For Exam 3 (Part 2)
BUS3500 - Abdou Illia, Fall 2010
2
The Internet and eBusiness
Part 1
3
Brief history of the Internet
1969 The Defense Advanced Research Projects developed ARPANET, the precursor of the Internet
1971 Ray Tomlison invents e-mail
1979 USENET newsgroups created at Duke University and the University of North Carolina
1984 Domain Name System (DNS) established
1991 Tim Berners-Lee creates the World Wide Web
1994 First online shopping mall, first spam email, first pizza ordered online, first advertisement banner
2000 A major denial of service attack brings down websites such as Yahoo!, Amazon.com, and eBay
2002 Denial of service attack knocks out 8/15 root DNS servers
Make sure you know what DNS is used for.
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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)
NetworkWeb
Browser
Packet
Router
Packet
Route
WebserverSoftware
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Internet applications/services E-Mail File transfers Instant messaging (IM) Newsgroups Streaming audio and video Internet telephony or VoIP World Wide Web (WWW) Portal
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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
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Make sure you can … Answer questions like those in
InternetReview Questions (See link in Review section of class website)
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Summary Questions
Refers to the slide # in class posted notes
Book Notes
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?
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3) Name some Internet connection options available for Name some Internet connection options available for residential users and businesses.residential users and businesses.
5-65-6
4) What is meant by podcasting?What is meant by podcasting? 1616
5) (a) What is an intranet? (b) an extranet? (c) portal 18,19
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Managing Security
Part 2
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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).
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Managing the Development and
Purchase of IS
Part 4
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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
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