Chapter Seven Flashcards
What is data encryption
Encryption uses special software to encode or scramble data before it’s transmitted
Users can only access is with the encryption key software when it arrives at its destination
Usernames and passwords
Users in a network are allocated a user of and a randomly generated password
Network software with disable for a period of time after unsuccessful login attempts
Access levels
Users a allocated different levels of access to files
Access writes can be classified as read only write only or read and write
Back up
Second copy made of data incase it’s lost
Firewall
Monitor and filter data entering/leaving a network
FTP
File transfer protocol, allows users to download or upload files over the internet
https
Hypertext transfer protocol secure , used by the www for transmitting messages securely using data encryption
What is cloud computing
Resources and storage hosted online , the cloud can be accessed on a glob scale using any device connected to the internet
Advantages of cloud computing
Cost effective
Unlimited storage
Software updates
Backup
Can access data anywhere
Reduction in carbon footprint: less technology needed
Disadvantages of cloud computing
Bandwidth limitations
Potential downtime
Security risk
Impact of cloud computing on gaming
Game developers can rides their costs don’t need high street shops to sell their product
Larger global customer base
Customers pay less
Games can be downloaded immediately
Gamers don’t have to continually purchase new hardware
More complex visuals
Drawback : limited broadband capacity that’s not cabs or of streaming high quality
Impact of cloud computing in file storage
Cloud based systems can store large data files
Automatic saving of data
Data is stored permanently online
Impact of cloud computing in file sharing
Allows users to share files from anywhere in the world
Users can upload files to the cloud then share them with other users
Allows people around the world to collaborate on the same project
When a user makes a change to a file everyone can see it
Google docs is an example of file Shari if using the cloud
