INTRODUCTION TO INFORMATION SYSTEMS TECHNOLOGY

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Transcript INTRODUCTION TO INFORMATION SYSTEMS TECHNOLOGY

Review For
Exam 3 (Part 2)
BUS3500 - Abdou Illia, Fall 2009
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The Internet and eBusiness
Part 1
2
Brief history of the Internet
Make sure you
know what DNS
is used for.
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
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servers
Accessing the Internet (www)
Web
Browser
Network
Packet
Webserver
Software
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
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- IP Address (e.g. 139.67.8.3)
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
7
Summary Questions
Book
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?
Notes
9,14,
15
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3) Name some Internet connection options available for
residential users and businesses.
5-6
4) What is meant by podcasting?
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5) (a) What is an intranet? (b) an extranet? (c) a portal
Refers to the slide #
in class posted notes
18,19
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Managing Security
Part 2
9
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.
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