CCSP Question #4: Real Exam Question with Answer & Explanation

The correct answer is D: Randomization. Firewalls control network traffic using predefined rule sets, behavior analysis (in advanced firewalls), and content filtering, but not randomization.

Submitted by priya_blr· Apr 18, 2026Cloud Platform & Infrastructure Security

Question

A firewall can use all of the following techniques for controlling traffic except:

Options

ARule sets
BBehavior analysis
CContent filtering
DRandomization

Explanation

Firewalls control network traffic using predefined rule sets, behavior analysis (in advanced firewalls), and content filtering, but not randomization.

Common mistakes.

A. Firewalls primarily use rule sets (access control lists) to permit or deny traffic based on criteria like IP addresses, ports, and protocols.
B. Next-Generation Firewalls (NGFWs) and advanced security appliances use behavior analysis to detect anomalous patterns or malicious activities, dynamically adjusting traffic control.
C. Firewalls, especially application-layer firewalls, can perform content filtering to block specific types of content, URLs, or applications.

Concept tested. Firewall traffic control methods

Reference. https://learn.microsoft.com/en-us/windows/security/threat-protection/windows-firewall/windows-firewall-with-advanced-security-overview

Topics

#Firewall#Network security#Traffic control#Security controls

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