What memory usage alert threshold must Windows exceed according to predefined static thresholds?

The correct answer is that the memory usage alert threshold for Windows is set at higher than 90% memory usage according to predefined static thresholds. This threshold is significant because it provides a clear indicator of when a system might start experiencing performance degradation due to an insufficient amount of available memory. When the memory usage reaches this level, it can lead to slow performance, increased latency, application crashes, and other critical issues that could affect overall system stability.

Setting the threshold at 90% is a precautionary measure that aims to give system administrators a warning before reaching critical limits. It allows them to act before performance issues occur, ensuring that there is still some buffer available for applications to operate efficiently without risking a system overload. Monitoring at this threshold is part of good practice for maintaining healthy server operations and ensuring that resources are adequately managed. This proactive approach to memory management is essential for optimal performance in a Windows environment.