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The Internet and its uses - Coggle Diagram
The Internet and its uses
The internet and the World Wide Web
Uniform resource locator- URL
HyperText Transfer Protocol- http
The standard protocol used to communicate across the web
any data sent to the site is in plain text so can be susceptible to hacking
Hypertext Transfer Protocol Secure- HTTPS
http and https protocols
It is a secure protocol so any date between the website and the browser is encrypted and cannot be understood by anyone intercepting it. The web server has a certificate of authenticity to ensure that it is genuine
Functions of a browser
providing navigation tools
providing an address bar
storing cookies
allowing use of multiple tabs
recording user history
Storing bookmarks
locating and displaying a web page
IP adress
An IPv6 address is 128 bits long arranged in eight groups of 16 separated by colons and written in Hexadecimal
Even public facing networked computing device has one
Domain name sever
It converts a websites URL adress into an IP address so that a client machine can request to the correct web server. If the DNS server does not have an entry for the domain name it passes the request to another DNS server an error is sent back if no match is found
Cookies
They are text files with small pieces of data
used to track user preferences
hold items in a shopping cart
store login details etc
Session cookies
created and replace each time a user visits a website
Persistent cookies
Created and saved on the first visit and are retained until they expire
Digital currency
Bitcoin
The worlds most well know currency, comparable to digital gold
people buy fractions of a bitcoin, just like gold to trade with others for goods and services at the latest market price
Some establishments now accept bitcoin as payment
any money like asset that only exists in its digital form and is exchanged digitally
Blockchain
Data base technology used to form a digital ledger
A time stamped series of transaction records sequentially linked in a chain tracking the movement of a digital currencey
Keeping data safe
Biometrics
Facial recognition
Thumb print
Iris retina
2Fa
passwords
Automatic software updates
patches that fix bugs
SSL protocol
is a secure channel between two devices operating over the internet or an internal network
secures communication between a web browser and server. The S stands for secure in a HTTPS address
Privacy settings
Procy server is any machine that checks and forwards traffic between a network or protocls.
A intermediary server protecting user end cleitns from the sites that they browse