Disk size， stock availability， VHDCI
Disk size， distance， temperature， and compatibility
Disk fragmentation， MTBF， and maintenance
Disk configuration， throughput， transactions， queues， and latencies
第1题：
Which of the following can be used when installing the OS without a boot disk？（）
第2题：
Which of the following metrics provided by the iostat report is used to initially determine if a disk is I/O bound？（）
第3题：
A.Mirroring, with the write-verify option turned on, can be used to increase performance.
B.Mirroring is a better choice that disk-striping, for large sequential-access file system when one is looking for performance.
C.Mirroring, with a parallel-scheduling policy, may improve I/O read-operation performance.
D.Mirroring, with maximum inter-disk allocation policy, is used to enhance availability.
第4题：
A specialist is monitoring performance on a server. The data is on another partition within the same array as the OS. The following information is available： （1）The average record written to disk is 16KB （2）The I/O block size is 2KB （3）The stripe size on the RAID array is 16KB Which of the following will improve performance without rebuilding the operating system？（）
第5题：
When the length of the run queues， process or thread dispatches interrupts， and lock contention metrics and statistics are analyzed for performance， which of the following resources is being analyzed？（）
第6题：
Which of the following is a speed enhancement in Windows performance when searching for files?（）
第7题：
Which of the following commands can an operator use to view disk performance details?（）
第8题：
Which of the following commands should be used to monitor disk utilization during the time a system is experiencing a disk I/O performance problem？（）
第9题：
Which of the following phrases is TRUE regarding monitoring disk I/O with iostat？（）
第10题：
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？（）