You are responsible for the security computers in college labs. Since a number of students have significant computer ski

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You are responsible for the security computers in college labs. Since a number of students have significant computer skills, you wish to make security impossible to breach through normal operating system based means. Furthermore, you want to have the security require a password that must be entered before the operating system even loads. What will you do to accomplish the task?

A. Implement biometric security.
B. Implement bios security that prevents the system from loading if the correct password is not entered.
C. Implement an operating system password that prevents the system from loading if the correct password is not entered.
D. Implement hard drive encryption with a password tied into the operating system password.