Protocols

Protocols

1. Application

   • POP
     • Allows emails to be downloades and/or deleted from a mail server
   • HTTP(s)
     • allows data to be sent to a website
   • IMAP
     • Offers complex commands to manage emails
   • SMTP
     • deals with sending emails from one e-mail server to another
   • FTP
     • File Transfer Protocol' is a standard network protocol used to transfer files between a client and server on a computer network.

2. Link

   • bluetooth
     • wireless protocol that was developed to allow devices that are very close to one another to exchange data.
   • ethernet
     • Many protocools responsible for sending and receiving data across a cable

3. Transport

   • TCP
     • Divides a message into packets and add a sequence number to each packets then adds extra error-correction information

4. Network

   • IP
     • examining packets for errors then requesting for missing pakcets or fixing errors in the packets if all packets are present it will begin to reassemble the message