IBM(000-234)單項(xiàng)選擇題每日一練(2019.01.11)

來源：考試資料網(wǎng)

1 In order to determine how efficiently an application is reading and writing data， which of the following utilities will report read and write sizes on disk I/O requests？（）

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2 While monitoring a system using vmstat， which of the following options most likely indicates that the system is CPU bound？（）

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3 Which of the following commands should be used to determine DNS name resolution performance？（）

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4 An AIX system， which is running a database， is having performance issues with I/O writing. The DBA has provided numbers for the HIGH and LOW watermarks for pending file writes， which will optimize the system for best performance. To set these numbers， which of the following commands would be used？（）

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5 Which of the following performance tools will work with optimized code and also provides source statement profiling？（）

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