What does the protocol ARP do?

A.
Takes a MAC address and finds an IP address to match

B.
Sends messages to the devices regarding the health of the network

C.
Takes an IP address and finds out the MAC address to which it
belongs

D.
Facilitates file transfers

Explanation:
The correct answer is “Takes an IP address and finds out the MAC address to which it
belongs”. ARP starts with an IP address, then queries
the network to find the MAC or hardware address of the workstation
to which it belongs.
ICMP performs “Sends messages to the devices regarding the health of the network”.
RARP performs “Takes a MAC address and finds an IP address to match”.
FTP performs “Facilitates file transfers”.