What protocol would you use to discover the MAC address of a machine from an IP address?
A)FTP
B)IMAP
C)NTP
D)ARP

Question

Quizplus · Accepted Answer

ARP is the protocol used to map IP addresses to hardware addresses.
Key Takeaway: ARP, or Address Resolution Protocol, maps network layer addresses to data link layer addresses. ARP maintains these mappings in a table on the local machine, and displays or configures them by the invocation of the arp command with various switches and parameters.

What Protocol Would You Use to Discover the MAC Address