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CompTIA Security+ Exam Prep

Category - Security

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Which of the following is a method of removing or bypassing a BIOS password?

Change memory card
Re-connect all drive cables to the motherboard
Remove the CMOS battery
Restart the computer

Explanation

Answer: C - To remove a BIOS battery, reseat the CMOS battery.

Key Takeaway: A computer stores its settings, including the system time and the BIOS password, even when it is turned off and unplugged. This BIOS chip is powered by a small battery inside the computer called a CMOS battery. If the battery is pulled out, all information, including the BIOS password, is erased.

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