单项选择题

After a technician installs a new CMOS battery on a motherboard, which of the following will thetechnician have to change? （）

A. Firmware version
B. System date/time
C. Bus speeds
D. Jumper settings

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单项选择题
A customer wants to check whether they have the necessary tools enabled to prevent intrusions andvirus attacks on a Windows Vista workstation. Which of the following tools can be used to display thecurrent configuration? （）

A. Security Center
B. Event Viewer Security log
C. Windows Defender
D. Windows Firewall
多项选择题
Which of the following will reset the BIOS settings?（） (Select TWO).

A. Unplug the CMOS battery.
B. Unplug the power supply.
C. Switch on the reset jumper.
D. Replace the RAM.
E. Unplug the CPU.
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