Which of the following security controls would best prevent unauthorized access to a firm's internal network?
A. Use of a screen saver with a password.
B. Use of a firewall.
C. Encryption of data files.
D. Automatic log-off of inactive users.

Question

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The Answer of Which of the following security controls would best prevent unauthorized access to a firm's internal network?
A. Use of a screen saver with a password.
B. Use of a firewall.
C. Encryption of data files.
D. Automatic log-off of inactive users.

Which of the Following Security Controls Would Best Prevent Unauthorized