220-802 · Question #495
Which of the following methods provides digital security?
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
How the community answered
(25 responses)- B4% (1)
- C92% (23)
- D4% (1)
Why each option
A firewall is a digital/network security control that filters traffic based on rules, whereas the other options are physical security mechanisms.
A mantrap is a physical access control vestibule that prevents tailgating; it provides no digital protection.
Biometrics authenticate physical identity for access to spaces or devices; alone they are a physical security layer, not a network-level digital control.
A firewall operates at the network or host level to inspect and permit or deny traffic based on configured rules, making it a digital security control. It protects systems from unauthorized network access and malicious traffic without requiring any physical barrier.
Bollards are physical barriers that block vehicle access to buildings and have no bearing on digital security.
Concept tested: Digital vs. physical security controls
Source: https://learn.microsoft.com/en-us/windows/security/operating-system-security/network-security/windows-firewall/
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