20%
40%
60%
80%
第1题：
In an iostat report， which of the following options best describes the value of % idle？（）
第2题：
Which of the following metrics provided by the iostat report is used to initially determine if a system is I/O bound？（）
第3题：
A customer is experiencing a performance bottleneck in a disk subsystem. The server is performing sequential I/O with a small number of users requesting large files. Which of the following would most likely resolve the bottleneck？（）
第4题：
A disk contains several logical volumes. Which of the following commands indicates how much data is read from or written to a particular logical volume on the same disk?（）
第5题：
Which iostat %iowait minimum threshold indicates a possible I/O bottleneck?（）
第6题：
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
第7题：
The storage specialist needs to prepare an IBM System Storage DS8800 proposal including 64 host ports. The offer needs to meet the lowest possible price. What is the minimum number of I/O Enclosure Pairs PCI-E for this configuration（）
第8题：
In an iostat report， which of the following options best describes the value of % tm_act？（）
第9题：
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）
第10题：
Which of the following commands can be used to determine if a disk drive is causing a bottleneck?（）