There are two processes to pair MAC address with IP addresses. Which process finds an IP address from a MAC address?
A. RARP B. ARP C. RIP D. IGRP Ans A ARP (Address Resolution Protocol) maps an IP address to the MAC address, RARP (Reverse Address Resolution Protocol) maps the MAC address to the IP address. ARP and RARP work at the internet layer of the Internet Model or the network layer of the OSI model. 56 When the router runs out of buffer space, this is called ________. A. Source Quench B. Redirect C. Information Request D. Low Memory Ans A Source quench is the process where the destination router, or end internetworking device will “quench” the date from the “source”, or the source router. This usually happens when the destination router runs out of buffer space to process packets. 57 Which protocol carries messages such as destination Unreachable, Time Exceeded, Parameter Problem, Source Quench, Redirect, Echo, Echo Reply, Timestamp, Information Request, Information Reply, Address Request, and Address Reply? A. ICMP B. UDP C. TCP D. TFTP E. FTP Ans A ICMP (Internet Control Message Protocol) is
