SESSION 1
Internet
♥ starts in the 1950s and 1960s with the development of computers.♥ began with point-to-point communication between mainframe conputers and terminal.
♥ expanded to point-to-point connections between computers.
♥ and then early research into packet switching.
♥ packet switched were developed in the late 1960s and early 1970s using a variety of protocols.
♥ in 1982, the concept of a world-wide network of fully interconnected TCP/IP networks called INTERNET was produced and Internet Protocol Suite (TCP/IP) was standardized.
Uses of INTERNET.
~ send e-mail message.
~ upload or download files between computers.
~ Travel all over the world.
~ blogging is use as a communication platform to interact with people.
~ Can find anything to buy through Internet.
~ Social networking has created new ways to coomunicate and share information among us.
~ Can learn to do anything or sharp a skill a skill you already have.
7 Layers of OSI Model.
HTML ( HyperText Markup Language )
♥ is the predominant matkup language for web pages.
♥ basic building-blocks of webpages.
♥ consisting of tags, enclosed in angle bracket (like
<html>), within the web page content.World Wide Web (WWW)
= abbreviated as WWW or W3, and commonly known as the Web.= view web pages that contain text, images, videos, and other multimedia and nivigate between them via hyperlinks.
♥ File Sharing
- Napster, Gnutella, Morphues
♥ Dot Net
- XML based Web Services
- "Semantic Net"
♥ Broadband
- Media Delivery over the Web
SESSION 2
ISP, Configuring Internet Connection, Troubleshooting.
Way Internet Working.
Internet Connection
IP Adressing
~ numerical label assigned to each device numerical label assigned to each device.
~ serves two principal function :
- host or network interface identification
- location addressing
~ designers of the Internet Protocol defined an IP address as a 32-bit number.
URL ( uniform resource locator or universal resource locator)
♥ specific character string that constitutes a reference to an Internet resource.
Hypertext Transfer Protocol (HTTP)
♥ application protocol for distributed, collaborative, hypermedia information systems.
♥ foundation of data communication for the World Wide Web.
♥ another protocol that can be used in Internet is File Transfer Protocol (FTP) & Telnet Protocol.
Troubleshooting Internet Connection
~ Make sure you have the correct IP scheme for your network.
-IP Address
-Subnet Mask
-Default Gateway
-DNS Servers
~ Basic PING Tests
~ Check Browser configuration
SESSION 3
Issue About Internet.
~ security of people and their information when using the Internet.e.g. : Username & Password - jot down your username & password
- keep the username & password safely absolutely NOT in our computer
Phishing
~ way of attempting to acquire information such as usernames, passwords, and credit card details.~ by masquerading as a trustworthy entity in an electronic communication.
~ typically carried out by e-mail spoofing or instant messaging.
~ often directs users to enter details at a fake website whose look & feel are almost identical to the legitimate one.
Spoofing
~ situation in which one person or program successfully masquerades as another.~ falsifying data and thereby gaining an illegitimate advantage.
Virus Protection Software
♥ McAfee
♥ Norton Anti Virus
Firewall
♥ device or set of devices designed to permit or deny network transmissions.♥ frequently used to protect networks from unauthorized access while permitting legitimate communications to pass.
