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4A0-100 · Question #382

Which of the following statements about the IP forwarding process on a router is TRUE?

The correct answer is B. It uses the routing table to find a match for the destination IP address. When a router forwards a packet, it performs the following operations: Looks up the destination IP address in the routing table to determine the next hop or egress Uses the ARP table to resolve the MAC address of the next-hop IP.

Routing Fundamentals

Question

Which of the following statements about the IP forwarding process on a router is TRUE?

Options

  • AIt uses the routing table to find a match for the source IP address.
  • BIt uses the routing table to find a match for the destination IP address.
  • CIt uses the ARP table to find a match for the source MAC address.
  • DIt uses the ARP table to find a match for the destination MAC address.

How the community answered

(40 responses)
  • A
    8% (3)
  • B
    73% (29)
  • C
    15% (6)
  • D
    5% (2)

Explanation

When a router forwards a packet, it performs the following operations: Looks up the destination IP address in the routing table to determine the next hop or egress Uses the ARP table to resolve the MAC address of the next-hop IP.

Topics

#IP forwarding#routing table#ARP table#destination address lookup

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