TCP/IP - Technical MCQs

Q1:

Which of the following allows a router to respond to an ARP request that is intended for a remote host?

A Gateway DP

B Reverse ARP (RARP)

C Proxy ARP

D Inverse ARP (IARP)

ANS:C - Proxy ARP

Proxy ARP can help machines on a subnet reach remote subnets without configuring routing or a default gateway.