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SSCP Network and Communications Security Practice Question

An organization deploys a firewall that examines the entire packet, including application-layer data, and can block specific commands or content. Which type of firewall is this?

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Application proxy firewall

An application proxy firewall (also known as an application-layer gateway) performs deep inspection of application traffic and can filter based on application content.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

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Stateful firewall
Why it's wrong here
Stateful firewalls track connection state but typically do not inspect application payloads deeply.
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Application proxy firewall
Why this is correct
Application proxy firewalls terminate and inspect application-layer protocols, allowing granular control.
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Next-generation firewall
Why it's wrong here
While NGFWs include application inspection, the specific term for deep inspection of application data is 'application proxy' or 'application-layer gateway'.
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Stateless packet filter
Why it's wrong here
Stateless filters examine only packet headers, not application data.

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SSCP Network and Communications Security Practice Question

Why each option matters

Option-by-option breakdown

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