Data Transfer Protocol

Data Transfer Protocol

1. File Transfer Protocol (FTP)

   • Protocol that allows the user to download or upload files over the internet
   • It ensures data is sent in a secure way, data encryption is used

2. HyperText Transfer Protocol (HTTP)

   • Sends a command on behalf of the user to the web server to request a webpage
   • A protocol used by the www to transfer webpages over the internet
   • If a webpage cannot be located the http will report an error eg. '404 file not found'

3. HyperText Transfer Protocol Secure (HTTPs)

   • Uses a secure socket layer (SSL) to ensure data is transmitted securely over the internet
   • Web browsers display a padlock icon on screen to show that the web page currently in use is secure
   • The main use of this protocol is in financial applications, e.g. online PayPal transactions
   • Uses encryption for sending data and decryption for receiving data

4. Communication protocols are agreed standards or rules for sending or receiving data on a network.

5. Protocols are agreed by hardware manufacturers and software developers

6. Protocols are a set of rules to allow for communication between two different computer systems