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Review For Exam 3 (Part 2)

BUS3500 - Abdou Illia, Fall 2009

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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 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 Quiz 2

Note: Quiz 2 is posted to the Review section

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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 residential users and businesses.

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4) What is meant by podcasting? 16

5) (a) What is an intranet? (b) an extranet? (c) a 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 Quiz 3 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 posted to

the Notes section and the Review section of the course web site.

Review the questions in Quiz 4 turned in today.