View the exhibits. Examine the output of sar command and the top command in the
Exhibits. Which statement is the correct interpretation of this data?
A.
The system is idle with very little memory, CPU, and I/O utilization.
B.
The system is running low on swap space and memory.
C.
CPU is Idle and the system has plenty of free memory available.
D.
The CPU utilization is high and one process is using most of the CPU.
In the exhibits, “sar -u” is used.
“-u” options report CPU activity.
Answer A, B, and C are discussed about memory.
So Correct answer is D.
Explanation:
From the top exhibit we see that npviewer.gin uses 73.4% of the available CPU.
Note:
*sar – Collect, report, or save system activity information.
*The sar command writes to standard output the contents of selected cumulative activity counters in the operating system. The accounting system, based on the values in the count and interval parameters, writes information the specified number of times spaced at the specified intervals in seconds.
*sar –u 2 5 Report CPU utilization for each 2 seconds. 5 lines are displayed.