Which protocol is used by a computer to find the MAC address of the default gateway on an Ethernet network?

Address Resolution Protocol 

ARP- Address Resolution Protocol is used to find MAC address of  default gateway on ethernet network

ARP (Address Resolution Protocol) is used to find out IP address for an unknown MAC. ARP uses two messages for this: 1. ARP request - It's a broadcast frame for requesting MAC for an IP and 2. ARP Reply a unicast frame with the requested IP

ARP (address resolution) protocol is used

ARP use to get MAC address of unknown destination

arp protocol address resolution protocol