CISSP Question #1441: Real Exam Question with Answer & Explanation

Question

Which of the following is the strongest physical access control?

Options

• ABiometrics and badge reader
• BBiometrics, a password, and personal identification number (PIN)
• CIndividual password for each user
• DBiometrics, a password, and badge reader

Explanation

The strongest physical access control is the combination of biometrics, a password, and a badge reader. A physical access control is a security mechanism that restricts and regulates the access to a physical location, such as a building, a room, or a device. A physical access control can use different types of authentication factors, such as something the user knows (e.g., a password or a PIN), something the user has (e.g., a badge or a token), or something the user is (e.g., a fingerprint or a face). The combination of biometrics, a password, and a badge reader is the strongest physical access control, as it requires the user to present three different and independent authentication factors, which increases the security and reduces the likelihood of unauthorized access. This type of physical access control is also known as multi-factor authentication or MFA.

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