An application's performance is degrading over time. The application is slowing but never gives an error and does not crash. Which of the following tools should a technician use to start troubleshooting?
Correct Answer: C
Comprehensive and Detailed In-Depth Explanation:
The Resource Monitor provides real-time data on CPU, memory, disk, and network usage, making it the best tool to identify performance degradation over time. It allows technicians to check which processes are consuming excessive system resources.
* A. Reliability history - Incorrect. Reliability Monitor tracks system errors and crashes, but it does not help diagnose ongoing performance issues.
* B. Computer management - Incorrect. Computer Management provides system utilities but does not offer real-time monitoring of resource usage.
* D. Disk defragment - Incorrect. Disk defragmentation improves disk access times but is unrelated to an application gradually slowing down.
Reference:
CompTIA A+ 220-1102, Objective 1.4 - Windows System Utilities for Troubleshooting