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Which of the following is the BEST method for preventing the leakage of confidential information in a laptop computer?
Correct Answer: A
Explanation/Reference: Explanation: Only encryption of the data with a secure key will prevent the loss of confidential information. In such a case, confidential information can be accessed only with knowledge of the owner's private key, which should never be shared. Choices B, C and D deal with authentication and not with confidentiality of information. An individual can remove the hard drive from the secured laptop and install it on an unsecured computer, gaining access to the data.