In a certain office, all devices can access shared network drives but are unable to connect to the Internet. Initial checks confirm that addresses and network masks are correctly configured, and name resolution is functioning for internal servers. The system administrator suspects a configuration error related to the gateway settings. Which of the following actions should MOST likely resolve the external connectivity issue?
Ensure all client devices are set with matching network configurations.
Exchange all network interconnects used by client devices.
Power cycle all network routers and switches.
Reconfigure the naming resolution settings for external servers.
Modify the gateway setting on the router.