Answer: ARP ( Address Resolution Protocol)
Step-by-step explanation:
The address resolution protocol is is one of the type transmission protocol that helps in determining the address of the MAC (Media access control) layer and the IPV4 address.
- It is basically use for resolving the given IP address by using the hardware and the media access control in the network interface.
- The main function of the ARP is that it typically used the MAC address for identifying the various types of mode in the network.
- It is used the ARP format in the form of packet structure for transmitting the message from one place to another in the local network.
Therefore, the host is using the address resolution protocol for discovering the MAC address.