Networks - The Internet Flashcards
What is the Internet
A WAN which connects devices + networks worldwide
Based around TCP/IP
World Wide Web
A collection of websites that are hosted on web servers
Accessed through HTTP protocol
URLs
addresses used to access web servers + its resources
Domain Name Service (DNS)
Translates website domain names into IP addresses
Hosting
Where business use its servers to store files of another organisation
Cloud
Extension of Client-Server Network
User files stored centrally on a network server which can be accessed remotely
Normally has a subscription fee
How can cloud applications be run?
on the remote server -> user can access powerful applications with basic hardware
Cloud can increase computing power
Pros of the Cloud
Access to files from any device
Easy to increase storage capacity
Don’t need to buy expensive hardware
Cons of the cloud
Needs an internet connection
subscription fee
Data may be vulnerable to hackers
Security of data is reliant on host
