acronyms Flashcards
ISP stands for….
(internet service provider) an organization that provides services for accessing, using, or participating in the Internet.
LAN
(Local area network) group of connected computers over a geographical area
WAN
(waide area network) crosses geographical borders or national boundaries)
a network of networks
EX:The internet
FTP
(File transer protocol) used to transfer documents over wide distances from one computer to another
Used to transfer files on a TCP/IP network aka the internet
TCP/IP
(transmission control protocol/ internet protocol) communication or rules for the internet
what does the TCP do
Breaks down data into packets before data is sent is, reassemble the packets at the destination computer
~verifies successful delivering process, detects errors, handles resending data~
what does the IP do
sets the addressing scheme which is a set of rules for routing data and addressing packets of dats
role of tcp in packet switching
tcp converts data into packets and reassembles the packets into data when they are received.
ip addresses packets to the right destination and moving packets from one computer to another
DNS
(Domain Name system) database of Ip addresses and domain names
DNS resolves numerical IP address for a URL
How does DNS system works
- Browser works with local name server to resolve ip address
(puts in www.example.com - Browser sends a request to that IP address
- Server finds the correct document or file
- Server sends document to the browser
- Browser displays document
TLD
(Top level domain) last part of domain
Ex: .com, .edu, .mil, .net
URL
Uniform resource locater
Ex: http;//www.course/cca/ch1/index.html
HTTP
hypertext transfer protocol
set of protocol for transferring files
HTML
(hypertext markup language )a language used to create basic html pages
NFTs
non fungible tokens
a digital asset that links ownership to unique physical or digital items
