以下哪种调制方式要求卫星端站接收功率最高?()
A、8PSK
B、QPSK
C、BPSK
D、A和B
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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
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
接收并阅读由tian@mail.ncre8.net发来的E-mail,并立即回复,回复主题为“地址”。回复内容为:“您所索要的E-mail地址是sangnin@hotmail.com”。
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
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。