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Ess. 220-701
Ch. 18 Learning The Internet
| Question | Answer |
|---|---|
| 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 |