发电机端（）电压互感器和（）电压互感器为保护提供电压信号，（）电压互感器和（）电压互感器为励磁调节器提供电压信号。
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You install WSUS on a server that runs windows server 2008. You need to ensure that the traffic between the WSUS administrative web site and the server administrators computer is encrypted what should you do?（）
A. Configure SSL encryption on the WSUS server website.
B. Run the netdom trust /SecurePasswordPrompt command on the WSUS server.
Configure the NTFS permissions on the content directory to deny Full control permission to the everyone group.
D. Configure the WSUS serve to require integrated windows authentication (WA) hen users connect to the WSUS serve.
测量装置每（）个月标定一次。
A. 3
B. 6
C. 9
D. 12
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