1. Introduction to Networking
How the Internet Works
There and back again
Good morning everyone! I am here to present to you the website of the University of Regina Carmeli that was launched and made visible online last May of To start of, allow me to show you the captured default page of the university website.
Introduction to Networking

2. What is a Network?
A set of computers connected together so that they can communicate.
Two types of networks
Local Area Networks (LANs)
Ethernet
WiFi
Wide Area Networks (WANs)
The Internet is a WAN

3. Network Devices

4. WHAT IS LAN?
Local?

5. WHAT IS WAN?
Wide?

6. THE INTERNET
A typical Internet connection requires a Internet device, a modem, and an Internet Service Provider (ISP).
Devices
ISP
Internet
Modem

7. TYPES OF NETWORKING SERVERS
File Servers
Web Servers
Print Servers
Application Servers
Games Servers
VOD Servers

8. WHAT IS INTERNET?
Large WAN
Client Server based

9. How the Internet Works What is a domain name? IP address 199.95.72.10
Text version of an IP address
Components are separated by periods
Each domain name represents one or more IP addresses
IP address
Domain name

10. How the Internet Works What is a top-level domain (TLD) abbreviation?
Identifies the type of organization associated with the domain
Sometimes called dot com when TLD is com
TLD Abbreviation
Type of Domain
Com
Commercial organizations, businesses, and companies
Edu
Educational institutions
Gov
Government agencies
Mil
Military organizations
Net
Network provider
Org
Non-profit organizations

11. Impact Daily Life

12. BASIC SERVICES OF THE INTERNET

13. WORLD WIDE WEB WWW is a part of the Internet.
Accessed with web browsers
Transfer with HTTP/HTTPS
Needs routers, web servers, and DNS servers

14. Uploads and Downloads
Bandwidth
Throughput

15. The Internet is Fault Tolerant

16. The Internet is Scalable

17. Security

18. The World Wide Web

19. Tim Berners-Lee Created the World Wide Web
Director of the World Wide Web Consortium (W3C) at MIT

20. The World Wide Web What is a Uniform Resource Locator (URL)?
Unique address for a Web page
Browser retrieves a Web page by using the URL
Also called a Web address
Type the URL into the address text box on the browser and press the Enter key to display a Web page
address text box

21. The World Wide Web What are the parts of a URL?
protocol
domain name
path
Click to view Web Link
then click URLs

22. History of the Internet
Who controls the Internet?
The Internet is a public, cooperative, and independent network
No single entity controls or owns the Internet
Several organizations advise and define standards
World Wide Web Consortium (W3C)
Oversees research and sets standards and guidelines
Internet2 (I2)
Internet-related research and development project
Develops and tests advanced Internet technologies

23. The World Wide Web What is the World Wide Web (WWW)?
Also known as the Web
A worldwide collection of electronic documents
Each document on the Web is called a Web page
Can contain text, graphics, sound, and video
Can contain built-in connections to other documents
A Web site is a collection of related Web pages

24. The World Wide Web What is a Web browser? Also called a browser
Software program that allows you to access and view Web pages
Two popular browsers for personal computers
Chrome
Internet Explorer
Next
p. 2.9 Fig. 2-6

25. The World Wide Web What is a search engine?
A software program you can use to find Web sites, Web pages and Internet files
Spider
A program that reads pages on Web sites in order to find Web pages that contain the search text
Also called a crawler or bot
Search text
A word or phrase entered in the search engine’s text box
Also called keywords
25 Facts About WWW

26. The Internet Map

27. Quiz Monday Topics: Number base conversions Internet / WWW Networking
Protocols
Sources:
Documents and powerpoints posted on website
Notes on number conversions
TCP/IP OSI foldable
Format:
T/F, MC