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A systems administrator is receiving complaints about slow performance and system crashes. The administrator suspects memory and CPU issues. Which of the following is the first action the administrator should take to troubleshoot and resolve these issues?
Correct Answer: A
The initial troubleshooting step when experiencing slow performance and potential memory or CPU issues is to analyze the current resource usage. Running tools like top or htop allows the administrator to observe real- time data on CPU, memory, and processes, providing insights into high resource usage. This is a non-invasive first step, helping to identify whether issues are due to overuse, application memory leaks, or specific processes. CompTIA Linux+ recommends understanding system resource behavior before taking further action. Reference: CompTIA Linux+ Study Guide.