14.2.4 Check Your Understanding – Packet Forwarding Answers

1. If a router needs to send an ARP Request for the destination IPv4 address of the packet, this means the packet will be forwarded:

  • To a next-hop router
  • To the device with the destination IPv4 address of the packet

Explanation: If a router needs to send an ARP Request for the destination IPv4 address of the packet, this means the packet will be forwarded to the device with the destination IPv4 address of the packet.

2. If a router needs to send an ARP Request for the IPv4 address in one of its route entries, this means the packet will be forwarded:

  • To a next-hop router
  • To the device with the destination IPv4 address of the packet

Explanation: If a router needs to send an ARP Request for one of its route entries, then the packet will be forwarded to a next-hop router.

3. Which packet forwarding method is used by default on Cisco routers?

  • process switching
  • fast switching
  • Cisco Express Forwarding
  • Ethernet switching

Explanation: The packet forwarding method used by default on Cisco routers is Cisco Express Forwarding.

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