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Internet & How IT Works


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network
a cluster of computers. In a network, the server computer provides network services to the client computers on that network.
top level domains (TLDs)
.com, .net, .mil, .gov, .edu, .org
.com
commercial
.net
internet resources
.mil
military
.gov
government
.edu
higher education
.org
non-profit organizations
.aero
air-transport industry
.biz
business
.coop
cooperatives
.info
unrestricted use
.museum
museums
.name
individual registrations
.pro
accountants, lawyers, physicians
TCP
Transfer Communication Protocol - the protocol takes data from user's application and passes it to the Internet Protocol (IP).
IP
Internet Protocol
ISP
(Internet Service Provider) A company that provides access to the Internet.
Bandwidth
A measure for the speed (amount of data) you can send through an Internet connection. The more __________, the faster the connection
daemon
dedicated software that provides internet services such as: http, ftp, smtp, pop
HTTP
HTTP stands for Hypertext Transfer Protocol. It is the network protocol used to deliver virtually all files and other data across the Internet.
FTP
an internet standard that permits the process of files uploading and downloading with others computers on the internet
SMTP
Port 25
PoP
Point of Presence - is an access point through your service provider (ISP) to the Internet.
URL
A location or address identifying where documents can be found on the Internet; a Web address
MIME
Multipurpose Internet Mail Extensions, indicates purpose of transmitted data
World Wide Web
a collection of electronic files linked together
HTTP transaction
establish a connection; client requests a document; server sends the document; connection closed
HTML
a special formattin language that programmers use to format documents for display on the Web. used for web page development
XML
extensible markup language; user defines tags
CSS
Cascading style sheets, contain the formats for how a particular object should be displayed