1. Present Session III

2. The Internet is a global system of interconnected computer networks that use the standard Internet Protocol Suite (TCP/IP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, business, and government networks of local to global scope that are linked by a broad array of electronic and optical networking technologies. The Internet carries a vast array of information resources and services, most notably the inter-linked hypertext documents of the World Wide Web (WWW) and the infrastructure to support electronic mail. computer networksInternet Protocol Suiteinformationhypertext World Wide Webelectronic mail The Internet ( Wikipedia Definition )

3. TCP/IP Transmission Control Protocol Rules by which data are sent between systems Internet Protocol Rules by which messages are addressed

4. IP Address Unique for every computer connected IPv4 255.255.255.255 Max = 4,294,967,296 DNS – (Domain Name Server) 204.17.179.65 = WWW.Solano.Edu

5. What’s in a Name?? HTTP: HTTPS: File: Domain Name YouNameItNoSpaces Domain Type COM EDU ORG GOV

6. Browser A web browser is a software application for retrieving, presenting, and traversing information resources on the World Wide Web.software applicationWorld Wide Web

7. Firefox freebee

8. Safari ( Apple )

9. Internet Explorer ( Microsoft )

10. Browser Review

11. IMAP vs POP I nternet M essage A ccess P rotocol – Email Stored on the Server – Allows you to read all of your email in multiple locations. – Checking email may be faster P ost O ffice P rotocol – Email Stored on Your Computer by Your Client – Allows you to read previously received email and attachments when offline.

12. G M ail( Google )

13. YourName@domain.com