Topologies, protocols and layers

Topologies, protocols and layers

1. Topologies

2. Protocols

   • HTTP
     • Hyper Text Transfer protocol
     • Used by web browsers to secure websites and communicate with web servers
   • TCP
     • Transmission Control Protocol
     • The rules of how data is sent between networks
   • IP
     • Internet Protocol
     • Responsible for packet switching
   • HTTPS
     • HTTP secure
     • A more secure version of HTTP
   • FTP
     • File Transfer Protocl
     • Used to access, edit and move files
   • IMAP
     • Internet Message Access Protocol
     • Used for recieving emails
     • Emails stay on server until user deletes it
   • POP
     • Post Office Protocol
     • Used for recieving emails
     • Server holds email until user downloads it. It is then automatically deleted by the server
   • SMTP
     • Simple Mail Transfer Protocol
     • Used to send emails
   • a set of rules or conventions which control the communication between devices on a network

3. Layers