XK0-005 · Question #473
XK0-005 Question #473: Real Exam Question with Answer & Explanation
The correct answer is A: vmstat. The command vmstat will most likely be run next by the administrator to troubleshoot the system performance. The vmstat command is a tool for reporting virtual memory statistics on Linux systems. The command shows information about processes, memory, paging, block IO, interrupts,
Question
A systems administrator received a notification that a system is performing slowly. When running the top command, the systems administrator can see the following values: Which of the following commands will the administrator most likely run NEXT?
Options
- Avmstat
- Bstrace
- Chtop
- Dlsof
Explanation
The command vmstat will most likely be run next by the administrator to troubleshoot the system performance. The vmstat command is a tool for reporting virtual memory statistics on Linux systems. The command shows information about processes, memory, paging, block IO, interrupts, and CPU activity. The command can help the administrator identify the source of the performance issue, such as high CPU usage, low free memory, excessive swapping, or disk IO bottlenecks. The command can also be used with an interval and a count to display the statistics repeatedly over time and observe the changes. The command vmstat will provide useful information for diagnosing the system performance and finding the root cause of the issue.
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