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單項選擇題

Which switch should be used with the ipconfig command if an administrator wants to test the functionality of a DHCP server?（）

A. /renew
B. /flushdns
C. /release
D. /all

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單項選擇題

Which of the following is the MOST likely to cause a server power supply fan to fail but allows the power supply to still be functional？（）

A.Dust
B.Power Surge
C.Excessive humidity
D.High temperatures

單項選擇題

When running a Windows server, which option is used with the ping command to convert numerical addresses to host names?（）

A. -r
B. -a
C. -v
D. -n

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