A technician is configuring a SOHO router and needs to ensure that devices on the local network can reach the internet. Which configuration setting should the technician specify to meet this requirement?
The IP address of the router's external (WAN) interface as the gateway.
A static IP address from the DHCP server for each device.
The IP address of the router's internal (LAN) interface as the default gateway.
The media access control (MAC) address of the next-hop router.
The default gateway is the layer-3 address that hosts use when traffic must leave the local subnet. In a SOHO environment, that gateway is the IP address assigned to the router's LAN (internal) interface-commonly something like 192.168.1.1. Hosts send off-subnet traffic to this address; the router then forwards the packets out its WAN interface toward the internet. Using the router's external (WAN) IP, a MAC address, or a loopback address would prevent proper routing, and statically assigning IPs via DHCP does not by itself establish a default route.
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