Which diagnostics tool tests for default gateway settings, DNS settings, and server connectivity for SonicWall License Manager and Content Filter?

The tool that tests for default gateway settings, DNS settings, and server connectivity specifically for SonicWall License Manager and Content Filter is the one indicated as the answer. This tool is designed to verify network configurations such as the availability of gateways and DNS servers essential for internet connectivity, which is crucial for maintaining proper functionality in SonicWall services.

By assessing these settings, it facilitates troubleshooting related to network connectivity issues, ensuring that the SonicWall device can communicate effectively with licensing and content filtering servers. Understanding the status of these configurations is critical for administrators who need to ensure seamless operation of security features and licensing confirmations on their devices.

The focus of this tool on settings that directly impact internet accessibility and service response makes it central to solving operational issues related to SonicWall services, which is why it is the correct answer in this context.