下列采集的波形声音最好的是（）。
A、单声道、8位量化、22.05KHZ采样频率
B、双声道、8位量化、24.1KHZ采样频率
C、单声道、16位量化、22.05KHZ采样频率
D、双声道、8位量化、44.1KHZ采样频率
Which of the following tools should be used to display the location of unused physical partitions on a disk drive？（）
A、 df -k
B、 lsps
C、 lslv -p
D、 fileplace
打开HTTP://LOCALHOST:65531/ExamWeb/INDEX.HTM页面，浏览网页，并将该网页以.htm格式保存在考生文件夹下。
Which of the following procedures WILL NOT increase contiguous free space on a the filesystem /data1， located on /dev/lv01， that is heavily fragmented？（）
A、 Run defragfs -r /data1； defragfs /data1
B、 Run defragfs -r /dev/lv01； defragfs /dev/lv01
C、 Back up the filesystem by name， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
D、 Back up the filesystem by inode， unmount the filesystem， recreate the filesystem by running mkfs /dev/lv01， and restoring the data from the backup.
An AIX system administrator wants to reset the level at which the SIGDANGER signal is sent to processes so appropriate actions can be taken when paging space is running low. Which of the following commands is used to reset the level？（）
A、 vmtune -w
B、 svmon -w
C、 schedtune -w
D、 vmstat -s
