9. DNS & Cloud storage Flashcards
(12 cards)
DNS
Domain Name Server
What does DNS do?
Resolves names to numbers. Resolves domain names to I.P. addresses.
What is ‘https://www.yahoo.com’?
A Uniform Resource Locater (URL)
URL
The address of a particular page on a website
A router is connected to…
An Internet Service Provider (ISP)
An ISP is connected to…
A Domain Name Server (DNS) and other routers
Those routers are also connected to…
Their own LAN’s, other routers & servers
The cloud
Servers that can store data and programs that can be accessed over the internet
Advantages of the cloud
- Access anytime, anywhere
- Large storage capacity
- Automatic Backup
- Central back up
Disadvantages of the cloud
- Data could get intercepted
- Must have access to the internet
- Storing files on network = expensive
- Needs experts to manage cloud storage
Purpose of web servers
Hosting websites and dealing with client requests
Hosting
When websites are stored on servers dedicated for this purpose