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You are responsible for security at a hospital. Since many computers are accessed by multiple employees 24 hours a day, 7 days a week, controlling physical access to computers is very difficult. This is compounded by a high number of non employees moving through the building. You are concerned about unauthorized access to patient records. What would best solve this problem?
and a username/password to access any hospital computers.
Answer option D is incorrect. If there is a security breach, video surveillance might help catch the perpetrator, but it won't prevent the breach.
Answer option A is incorrect. Challenge Handshake Authentication Protocol, will not help prevent unauthorized access to computers.
Answer option B is incorrect. A hospital requires 24 hour a day access to patient data. Time of day restrictions would not work.