Which protocol on the host machine allows for a mapping of MAC to IP address?

A. MAC Address Resolution Protocol
B. Address Resolution Protocol
C. Reverse Address Resolution Protocol
D. Internet Control Message Protocol

C. Reverse Address Resolution Protocol (RARP) is used to map MAC addresses on the current LAN to IPs. BOOTP also uses this method to allocate an IP address via the MAC address. Thus, it is a mapping of MAC address to IP address.