Which of the following is one of the basic five settings needed on a router for a LAN client to connect to the internet?

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Multiple Choice

Which of the following is one of the basic five settings needed on a router for a LAN client to connect to the internet?

Explanation:
The essential point is that to reach the internet, the router must have a link to the wider network through its WAN interface. The WAN side is where the ISP connection enters the router, giving it the path to the internet (often with a public IP or an IP obtained via DHCP/PPPoE). Without configuring or enabling this uplink, there’s no route from the LAN to the internet, so devices on the LAN cannot reach external sites even if NAT, DNS, or LAN settings are in place. NAT helps other devices share a single public IP when outbound traffic is allowed, DNS translates names to addresses, and the LAN side defines the internal network, but none of these provide the actual external connection without a configured WAN link.

The essential point is that to reach the internet, the router must have a link to the wider network through its WAN interface. The WAN side is where the ISP connection enters the router, giving it the path to the internet (often with a public IP or an IP obtained via DHCP/PPPoE). Without configuring or enabling this uplink, there’s no route from the LAN to the internet, so devices on the LAN cannot reach external sites even if NAT, DNS, or LAN settings are in place. NAT helps other devices share a single public IP when outbound traffic is allowed, DNS translates names to addresses, and the LAN side defines the internal network, but none of these provide the actual external connection without a configured WAN link.

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