220-802 Question #495: Real Exam Question with Answer & Explanation

The correct answer is C: Firewall. A firewall is a digital/network security control that filters traffic based on rules, whereas the other options are physical security mechanisms.

Question

Which of the following methods provides digital security?

Options

AMantrap
BBiometrics
CFirewall
DBollards

Explanation

A firewall is a digital/network security control that filters traffic based on rules, whereas the other options are physical security mechanisms.

Common mistakes.

A. A mantrap is a physical access control vestibule that prevents tailgating; it provides no digital protection.
B. Biometrics authenticate physical identity for access to spaces or devices; alone they are a physical security layer, not a network-level digital control.
D. Bollards are physical barriers that block vehicle access to buildings and have no bearing on digital security.

Concept tested. Digital vs. physical security controls

Reference. https://learn.microsoft.com/en-us/windows/security/operating-system-security/network-security/windows-firewall/

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