CompTIA Exam N10-008 Topic 4 Question 69 Discussion

Default Gateway: The default gateway is the IP address of the router that connects the local network to external networks (such as the internet). When a packet's destination address is outside the local network, it is sent to the default gateway for further routing.

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CompTIA Network+ N10-008 Study Guide11

Studocu - To route a packet outside the local network, a packet must be generated at the network layer