When a station communicates on the network for the first time, which of the following protocol would search for
and find the Internet Protocol (IP) address that matches with a known Ethernet address?

A.
Address Resolution Protocol (ARP).

B.
Reverse Address Resolution Protocol (RARP).

C.
Internet Control Message protocol (ICMP).

D.
User Datagram Protocol (UDP).

Explanation:
The RARP protocol translates MAC (Ethernet) Address to IP addresses.
Incorrect Answers:
A: The ARP protocol translates IP addresses to MAC Addresses. It is the wrong direction.
C: ICMP is not an address resolution protocol.
D: UDP is not an address resolution protocol. It is a transport protocol.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, New York, 2013, p. 584