Which protocol uses dynamic address mapping to request the next-hop protocol address for a specific connection?

Which protocol uses dynamic address mapping to request the next-hop protocol address for a specific connection?
A . Frame Relay inverse ARP
B . static DLCI mapping
C . Frame Relay broadcast queue
D . dynamic DLCI mapping

Answer: A

Explanation:

Dynamic address mapping uses Frame Relay Inverse ARP to request the next-hop protocol address for a specific connection, given its known DLCI. Responses to Inverse ARP requests are entered in an addressto-DLCI mapping table on the router or access server; the table is then used to supply the next-hop protocol address or the DLCI for outgoing traffic.

Reference: http://www.cisco.com/c/en/us/td/docs/ios/12_2/wan/configuration/guide/fwan_c/wcffrely.html