BUS3500 - Abdou Illia, Fall 2009
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Part 1
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Brief history of the Internet
Make sure you know what DNS is used for.
1969 The Defense A dvanced R esearch P rojects 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 3

Accessing the Internet (www)
Web
Browser
Network
Webserver
Software
Packet Packet
Route
Router
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)
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)
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Internet applications/services
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E-Mail
File transfers
Instant messaging (IM)
Newsgroups
Streaming audio and video
Internet telephony
World Wide Web (WWW)
Portal
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Portal
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A portal is
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A Web site that offers a broad array of resources and services; such as
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 email newsgroup
Serach engines
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Online shopping malls
Examples of portal: yahoo!, msn, aol
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Make sure you can …
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Answer questions like those in Quiz 2
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Note: Quiz 2 is posted to the Review section
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Summary Questions
1) (a) Name some Internet applications/services (b)
What is Instant Messaging? (c) What is a newsgroup?
2) (a) What does a user PC needs for accessing the
World Wide Web? (b) What is needed on the webserver side?
3) Name some Internet connection options available for residential users and businesses.
4) What is meant by podcasting?
5) (a) What is an intranet? (b) an extranet? (c) a portal
Book Notes
9,14,
15
7
5-6
16
18,19
Refers to the slide # in class posted notes 8

Part 2
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Best way to prepare
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Review the ppt notes or chapter 7 and 12 in the course textbook to make sure you can answer the following questions
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Quiz 3 questions posted to the Review section of the course web site).
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Part 4
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See
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Read the Exam 3 Review Notes posted to the Notes section and the Review section of the course web site.
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Review the questions in Quiz 4 turned in today.
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