When a host sends a packet, how does it determine if the destination of the packet is on the same local network or on a remote network?

Last Updated: Oct 1, 2024
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When a host sends a packet, how does it determine if the destination of the packet is on the same local network or on a remote network?

  • It compares the source and destination MAC addresses.
  • It queries the DNS server with the destination IP address.
  • It checks to see if the default gateway is configured.
  • It uses the subnet mask to compare the source and destination IP address.

Explanation: When a host sends a packet, it uses the subnet mask to compare the source IPv4 address and the destination IPv4 address. If the network bits match, both the source and destination host are on the same local network. Otherwise, the destination host is on a remote network.

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