單項(xiàng)選擇題

To examine the Exhibit， press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit， which of the following conclusions is most appropriate to draw？（）

A. This is a uniprocessor system
B. The "prog" process has a nice value of 107
C. There are two active processors on this system
D. The "prog" process will only be scheduled to run on processor 0

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單項(xiàng)選擇題

Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）

A. tin
B. tout
C. % idle
D. % tm_act

單項(xiàng)選擇題

Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）

A. The iostat can only be run as the root user
B. There could be zero percent I/O wait and still be an I/O bottleneck
C. Any I/O wait time displayed in output of "iostat" is an indication of severe I/O bottlenecks
D. Running "iostat" without any arguments/parameters is sufficient for resolving I/O bottlenecks

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To examine the Exhibit， press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit， which of the following conclusions is most appropriate to draw？（）

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Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）

Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）

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To examine the Exhibit， press the Exhibit button. Using the "ps -mo THREAD" output as shown in the exhibit， which of the following conclusions is most appropriate to draw？（）

Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）

Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）