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Review For Exam 3 (Part 2)

BUS3500 - Abdou Illia, Fall 2010

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The Internet and eBusiness

Part 1

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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