1. Working with the Internet
This presentation will explore:
Internet workings & uses
facilities
Internet security
e-commerce
ClassAct SRS enabled.

2. Introduction The Internet is a continually evolving,
fast-growing environment that is
changing the face of communication.
But how does it work, what does it do and why is it so popular?
This presentation explores working
with the Internet, providing an
overview of:
how to use the Internet
facilities
Internet security
e-commerce
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3. Internet Basics The Internet is used for a growing
number of applications, both business and leisure-related.
As a huge information resource, it has revolutionized the way academic research is conducted.
It has changed how people interact, through:
webcams
videoconferencing
It provides the opportunity to shop confidently and securely online, through encryption and passwords.
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4. Question 1
Which of the following has NOT been improved by the Internet?
A) Fax B)
Correct answer = A
C) Videoconferencing
D) Academic research

5. Customizing Browsers
You can make your Internet use more efficient and effective by customizing your web browser.
How you do this depends on the software you use. Using Microsoft Internet Explorer, you must alter the Internet options on the browser menu bar.
There are various adjustments that can
be made. For example, it is possible to:
speed up the loading of web pages by choosing not to view images
restrict the sites that can be visited
optimize the web site browsing settings
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6. Question 2
Which Microsoft Internet Explorer menu selection do you use to customize your web browser?
A) Edit
B) Options
Correct answer = C
C) Internet Options
D) Customize

7. E-mail E-mail was developed as an early function
of the Internet. It has become a popular
communications tool, through being:
quick
effective
inexpensive
Beyond the function of sending single s, it offers more advanced features such as:
Distribution lists - automated delivery of the same message to many people at one time.
Mail forwarding - sending on a received message, perhaps with added comments.
distribution lists
mail forwarding
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8. Question 3
What feature of s allows a message to be sent to multiple addresses at the same time?
A) Mail forwarding
B) Distribution lists
Correct answer = B
C) Internet Options
D) Text editing

9. Protocols
A web address is also known as a Uniform Resource Locator (URL).
When an address is typed into a web browser, it is read in sections as the browser attempts to locate the pages.
The first part of the URL is the called the protocol.
The protocol allows a server and browser to introduce themselves to each other.
This is an agreed-upon format for data transfer between devices. There are various protocol types such as:
http - for delivery of web pages
ftp - for file transfers
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10. Domain Names
The final parts of the URL locate the computer and the specific page requested. These include the:
domain name
path
Domain Name - identifies the computer that is to be contacted.
Path - identifies a particular folder within the server.
File name - locates the web page within the folder on the server.
file name
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11. Question 4 Look at this web address:
Which part is the protocol?
A) /default.html
B) www
Correct answer = D C) D)

12. Question 5 Look at this web address.
Which part is the domain name? A) B)
Correct answer = B
C) default.html
D) www.

13. Net Phones The Internet can be used to make
international telephone calls, for the
cost of a local Internet connection.
To be able to do this, both the parties
communicating must be on the
Internet at the time of the call.
When a net telephone call is made,
the sound information is:
converted into segments of data
sent to the recipient
reassembled as speech
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14. Videoconferencing Videoconferencing enables people in
different places to communicate across a computer network using:
video
audio data
Each participant has a webcam, microphone, and speakers connected to his or her computer.
Point-to-point link - where two sites are connected.
Multi-point link - where any number of people are connected in the network.
There are two main types of videoconferencing:
point-to-point link
multi-point link
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15. Question 6
Which of the following would be needed for videoconferencing?
A) Telephone
B) Printer
Correct answer = D
C) Darkroom
D) Computer

16. Internet Security To ensure that data stored in computers or
on the web cannot be intercepted, Internet
security involves using:
passwords
encryption
This security is necessary to help prevent
files or details being:
stolen or infected
To make a private computer more secure, it is possible to change the browser security settings.
deleted or changed
This danger applies to credit card numbers used for on-line shopping, as well as to companies' confidential information.
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17. Question 7
Encryption is used to protect data being intercepted and stolen. Is this true or false?
Answer True or False.
Correct answer = True

18. Security Certification
Web sites, such as those of banks, deal in
sensitive or personal information which they
secure to protect their customers’ interests.
A secure site will normally display an
internationally-recognized icon in the browser status bar:
padlock
key
Functions of browsers include:
checking the safety of its secure connection to any web site being visited
authenticating the web site’s security certification
raising concerns regarding any certification anomaly
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19. Question 8
What symbol could be shown in the browser status bar for a secure site?
A) A barred door
B) A padlock
Correct answer = B
C) A security certificate
D) A cross

20. Firewalls Firewalls control access to and from a
computer network or system.
A firewall blocks unauthorized users’ attempts to access a network, while allowing certain other users in.
A firewall resides between the network
browser and the Internet.
It examines all messages moving in
both directions.
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21. Question 9
A firewall is located between the user's computer and the user. Is this true or false?
Answer True or False.
Correct answer = False

22. E-Commerce E-commerce is the process of purchasing
goods or services via the Internet, perhaps
by using a credit or debit card.
Online shopping offers significant benefits,
compared with traditional shopping:
purchases can be made without leaving home
goods are often less expensive than from traditional high street outlets
a wider range of products can often be
accessed via overseas web sites
Unfortunately, fear over online security can discourage online shopping.
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23. Shopping Carts A shopping cart is a piece of software
that allows an online store to display and sell its goods online.
The customer enjoys the shopping process
by navigating the pages and selecting
merchandise to purchase by clicking on it.
There are normally facilities available for
assisting the customer to:
review what they have selected from the catalog pages
make necessary modifications or additions to their order
purchase the merchandise by credit card in a secure environment
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24. Question 10
When conducting online shopping, purchasers need to provide some information to the selling company. Which of the following would NOT be essential information?
A) Date of birth
B) Credit card number
Correct answer = A
C) Credit card expiry date
D) Delivery address

25. Summary
The Internet is now an integral part of the everyday lives of people around the world.
The transmission of information across
computer networks has become a vital
form of communication, relied upon the
world over.
This presentation explored working
with the Internet, investigating:
Internet workings & uses
facilities
Internet security
e-commerce
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