What is the difference between RARP and DHCP protocols?

RARP help the PC to find its MAC address in the same network from the RARP Server.RARP Serveronly providethe IP adress to the PC by remembering its MAC.

DHCP works on the same way but DHCP Server provide the PC its IP address, Subnetmask, Default Gateway and DNS Server etc...

So the big difference is DHCP provide more information than your RARP Server.