Notes on the Internet Internet services Communications hardware URL DNS Protocol TCP/IP, TCP/IP address, classes, sub netting Packet switching Internet security Internet regulatory boards/organisations Security and privacy RSA/PGP Internet use and the law Web resource information
Internet services List of Internet services World Wide Web (WWW) E-mail Conferencing and newsgroups File transfer and file updating Chat/instant message
Communications hardware Server side hardware consists of Computers Disk drives Communication links Multiplexor Hubs Switches Routers Gateways Bridges
URL URL structure Protocol Domain name Path File identifier Port number (optional)
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