Nokia 4A0-100 Question Answer
Which of the following statements about the IP forwarding process on a router is TRUE?
It uses the routing table to find a match for the source IP address.
It uses the routing table to find a match for the destination IP address.
It uses the ARP table to find a match for the source MAC address.
It uses the ARP table to find a match for the destination MAC address.
When a routerforwards a packet, it performs the following operations:
Looks up the destination IP addressin therouting tableto determine thenext hoporegress interface.
Uses theARP tableto resolve theMAC address of the next-hop IP.
Option Ais incorrect – source IP is not used for route lookup.
Option Cis incorrect – routers don’t resolve thesource MAC.
Option Dis partially true, butrouting begins with the routing table, makingBthe most accurate.
TESTED 02 Aug 2025
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