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Ess. 220-701

Ch. 18 Learning The Internet

tiers broken down groups of the internet
Hypertext Transfer Protocol (HTTP) service that provides structure for the "World Wide Web"
World Wide Web the graphical face for the internet, web
Web browser a program specifically designed to retrieve, interpret, and display Web pages
Internet service providers (ISPs) Company that provides access for the Internet, usually for money
default gateway router that connects you to the internet
Dial-Up Networking (DUN) Microsoft's Dial Up software to govern the connection
Modem enables computers to talk to each other via standard commercial telephone lines by converting analog signals to digital signals, and visa versa
universal asynchronous receiver/transmitter (UART) converts individual serial bits of data into 8-bit parallel data that the PC can undertstand
baud unit of speed the phone line is based on, one cycle per second
bits per second (bps) functionally synonymous with baud
V standards modern modem standards
handshaking the process by which two serial devices a conversation
Point-to-Point Protocol (PPP) a streaming protocol developed especially for dial-up Internet access
integrated services digital network (ISDN) the process of sending telephone transmission across fully digital lines end-to-end
Digital Subscriber line (DSL) use a standard telephone line but special equipment on each end to create always-on Internet connections at blindingly fast speeds
Internet Connection Sharing (ICS) enables one system to share its Internet connection with other systems on the network
Virtual Private Network (VPN) use encrypted tunnels between a computer (or a remote network) to create a private network
tunneling consists of two endpoints
Point-to-Point Tunneling Protocol (PPTP) advanced version of the PPP protocol that handles all out this out of the box
Created by: Jefferywrght