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單項(xiàng)選擇題

A system administrator periodically receives calls from users who complain about poor performance with their application. Use the following sar command output to answer the question：

Which of the following system resources need more investigation？（）

A.CPUs
B.Disk
C.Memory
D.NetworkX

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單項(xiàng)選擇題

A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given：

Based on the output， which of the following is insufficient？（）

A.Disk
B.CPU
C.Memory
D.NetworkX

單項(xiàng)選擇題

A system administrator ran the vmstat command because of performance problems. The output of the vmstat is given：

Based on the output， which of the following is insufficient？（）

A.CPU
B.Disk
C.Memory
D.NetworkX

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