Intro To WWW + HTML Flashcards
What does a network consist of?
2 or more computers connected for the purpose of communicating & sharing resources
LAN
Connects computers in a single building or connected buildings
WAN
Geographically dispersed: people in east & west Canada can use WAN to link into LAN
Client/server
Refers to comps joined by a network. Can also describe a relationship between 2 comp program. Client makes a request, server fulfils it
Internet protocol
Set of rules that describe how clients & servers communicate over a network
HTTP (Hypertext Transfer Protocol)
Set of rules for exchanging files like text, images, audio, video + multimedia on web
FTP (file transfer protocol)
Set of rules for allowing files to be exchanged on the internet. Moves files from one computer to another.
TCP (Transmission control protocol)
Purpose is to ensure the integrity of network communication
IP (Internet protocol)
Set of rules that controls how data is sent between computers on the internet
DNS (Domain name system)
Associates IP address with text based URLS typed into web browsers
URI (Uniform Resource Identifier)
Identifies a resource on the internet
URL (Uniform Resource Locator)
A type of URI which represents the network location of a resource like a web page, graphic file or MP3 file
TLD (top level domain name)
Broken into several parts which describe a hierarchy.
gTLD (generic top level domain)
3 subtypes of TLDs. Unrestricted (.com/.net/.org/.info) & Sponsored (.gov/.mil/.edu, etc)
ccTLD (country code top level domain)
Are under control of which countries they represent.
Markup languages
Consist of sets of directions that tell browser how to display & manage web docs