Which of the following diagnostic options does PC Doctor USB solution provide?

The PC Doctor USB solution provides a DOS Test as one of its diagnostic options. This diagnostic mode is crucial because it allows for comprehensive hardware testing in a pre-boot environment, independent of the operating system. By running tests in DOS, users can evaluate the core hardware components, such as memory, hard drives, and other critical system functionalities, ensuring that they work properly before attempting to load an operating system.

The DOS Test's advantage lies in its ability to diagnose issues that might prevent an operating system from loading, which is essential in troubleshooting systems that cannot boot normally. Running diagnostics in this environment can help isolate hardware failures without interference from software or drivers that may obscure the true issue.

While other diagnostic options, such as Windows Test, Hardware Monitoring Test, and Battery Test, may also be available in different contexts or tools, the specific focus on DOS formats the PC Doctor USB solution as a versatile choice for deep hardware analysis.