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TECHNOLOGY GUIDE FIVE
Basics of the Internet and the World
Wide Web
TECHNOLOGY GUIDE OUTLINE
TG5.1 The Internet
TG5.2 The World Wide Web
LEARNING OBJECTIVES
• Differentiate among the Internet, the World
Wide Web, intranets, and extranets.
• Describe how the Internet operates.
• Discuss the various ways to connect to the
Internet.
• Describe the parts of an Internet address.
The Internet
• The Internet
– Intranet
– Extranet
– Darknet
Protect Your Internet Assets
• Know your Internet-accessible assets
– Everything in the “cloud”
– Everything you send or receive
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Texts
E-mails
Blogs
Photos
Nothing is ever completely erased
from your Internet identity
Credit Help
• Get your picture on your credit and/or debit
cards
• Write “require photo ID check” on the back of
the card where it asks for a signature
• Check your credit report
– www.equifax.com
– www.transunion.com
– www.experian.com
More Credit Help
• Annual Credit Report
• FDIC (Federal Deposit Insurance Corporation)
• Companies
– LifeLock
– TrustedID
– CardCops
Avoid Trouble
• Keep organized
• Check all monthly statements, more often if
you have online access
• Use a separate credit card for online
purchases and use it only for online purchases
• Never store your credit card information at a
web site
Never
Never
Never
Never
Things to Do
• Browse anonymously
– Chrome (CtrlShiftN)
– Internet Explorer (http://browsers.about.com/od/faq/tp/Anonymous-Browsing.htm)
• Delete your browsing history
• Know the “tools” in your browser
Is Your Computer Infected?
• McAfee (www.mcafee.com)
• AVG (www.avg.com)
• www.uncw.edu/itsd
What Does A Firewall Do?
• Permits or denies data traffic from another
computer based upon
– Outbound communications that you do not
initiate
– Disables or at least requires you to accept letting
programs from other sites execute on your
computer while you are in a browser (ActiveX and
JavaScript are the two main types of programs)
c|net
Install Updates
• To all of your devices that connect to the
Internet
• Updates almost certainly address security
issues in addition to other issues listed for the
update by the vendor
• Hackers live for update alerts and the users
that ignore them
Read About IE 9
• The features of Internet Explorer 9 are well
documented on pages 442 through 444
Proxy Servers
• Anonymous surfing (www.anonymous.org)
Accessing the Internet
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Connecting via an online service
Internet kiosks
Dial-up
ISDN
DSL
Cable Modem
Satellite
Wireless
Fiber to the home
Addresses on the Internet
• Domain names
– Top-level domain
– Name of the organization
– Name of the specific computer
The World Wide Web
• The World Wide Web
– Home page
– Uniform resource locator