ARP – Address Resolution Protocol

Address Resolution Protocol (ARP) is a protocol for mapping an Internet Protocol address (IP address) to a physical machine address that is recognized in the local network.

The Address Resolution Protocol (ARP) is a telecommunication protocol used for resolution of network layer addresses into link layer addresses

the address resolution protocol is one of the most fundamental protocols on our TCP/IP network.

Determine a MAC address based on an IP address
You need the hardware address to communicate
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