There is a file I/O bottleneck.
There are too many open files.
There appears to be a buffer shortage.
There is a paging space I/O bottleneck.
第1题：
After running the vmstat command， which of the following would most likely cause the value in the blocked column to be unusually high？（）
第2题：
While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）
第3题：
Using output from "vmstat 2 8," which of the following options is most appropriate to consider when determining if a system is experiencing memory thrashing?（）
第4题：
A system administrator has a server that is performing poorly. The vmstat command identifies that high CPU usage is the problem. Which of the following commands can be used to identify the eight most active processes running on the server？（）
第5题：
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）
第6题：
An administrator wants to run topas as their own userid but gets the following error when trying. user1>$ topas topas. Unable to initialize Spmi interface Spmi. Error 13 opening file /etc/Spmi_shm_hook. Which of the following is the most likely cause of the error?（）
第7题：
When monitoring a system using vmstat with an interval， which of the following conclusions should be drawn about the metrics under page pi and page po？（）
第8题：
Performance monitoring of a poorly performing system indicates a high level of CPU usage. Which tool can be used to help identify which processes are using excessive CPU resources？（）
第9题：
Which of the following commands should be used to determine which disk of a system is experiencing a disk I/O performance problem？（）
第10题：
A system administrator is monitoring a system that has recently shown a decrease in performance.The administrator suspects that the system may be low on memory and may be paging excessively.Which of the following commands is best to identify a possible paging problem？（）