Protocols and layers

Protocols and layers

1. Protocols

   • TCP- The transmission control protocol, prepares messages for transmission.
   • HTTP- Hypertext transfer protocol, Sending and receiving web pages.
   • HTTP(S)- Works like HTTP but it encrypts the web pages.
   • FTP- File transfer protocol, used to transfer files between client and server and vise versa
   • Email protocols
     • POP- Post office protocol, allows to receive emails that are downloaded.
     • IMAP- Internet mail access protocol, allows you to access your mail.
     • SMTP- Simple mail transfer protocol, allows you to send the mail.

2. Layers

   • 1. Application layer
   • 2. Transport layer
   • 3. Internet layer
   • 4. Network/ data link access layer