Protocols: Just like the Government

A protocol is a set of rules that governs the communications between computers on a network.

Kinds of Protocols:

POP : It stands for Post Office Protocol. It helps in receiving mails. It is mainly used for electronic mails.

SMTP : It stands for Simple Mail Transfer Protocol. It helps in sending mails. It is mainly used for email transmission across IP (Internet Protocol) based network.

DHCP : It stands for Dynamic Host Configuration Protocol. It helps in assigning automatic IP address to a computer via DHCP server.

ARP : It stands for Address resolution Protocol. It helps in resolving the IP address of the computer over a network. It works with IP address associated with the MAC (Media Access Control) address encrypted in NIC (Network Interface Card)

RDP : It stands for Remote Desktop Protocol. It helps in communication of remote desktop connection. It provides the user to access a system from other system in GUI (Graphical User Interface) mode over an IP based network.  

FTP : It stands for File Transfer Protocol. It is a standard network based protocol which is used to transfer files or to copy data from one host to the other host on TCP/IP base network.

TCP : It stands for Transmission Control Protocol. It is a connection oriented protocol and helps in packets data flow control and error recovery. It also helps in making a physical connectivity between the computers.

UDP : It stands for User Datagram Protocol. This protocol works with IP (Internet Protocol) as it contains some packet datagram information. It provides checksum for the data integrity and port number for addressing.

HTTP : It stands for Hyper Text Transfer Protocol. It is mainly used for the data communication over internet. It helps in communicating between a client and a web based server. Its port number is 80.