- A
FTP traffic (File Transfer Protocol)
Why wrong: FTP is not directly inspected by Threat Prevention; file blocking for FTP is part of the URL Filtering or WildFire subscriptions.
- B
Web traffic (HTTP/HTTPS)
Web traffic is a primary target for Threat Prevention, which includes antivirus, anti-spyware, and vulnerability protection.
- C
VoIP traffic (SIP, H.323)
Why wrong: VoIP inspection is part of the Threat Prevention subscription only for SIP and H.323, but it is not a typical focus; more commonly handled by other features.
- D
Email traffic (SMTP, POP3, IMAP)
Email traffic can carry malware and is inspected by Threat Prevention for malicious attachments and links.
- E
Database traffic (SQL, Oracle)
Why wrong: Database traffic inspection requires specific application-level threat prevention, which is not a standard part of Threat Prevention subscription.
Quick Answer
The correct answer is web traffic (HTTP/HTTPS) and email traffic (SMTP, POP3, IMAP). The Threat Prevention subscription on a Palo Alto Networks firewall uses WildFire and antivirus/anti-spyware engines to inspect web traffic for malware, exploits, and command-and-control callbacks, while also scanning email protocols for malicious attachments, phishing links, and spam through decryption and content-ID signatures. On the PCNSA exam, this question tests your understanding of which traffic types fall under the Threat Prevention license versus other subscriptions like URL Filtering or SSL Decryption; a common trap is assuming all traffic is inspected, but Threat Prevention specifically targets web and email as the two primary vectors. To remember this, think of the two main entry points for threats: the browser (web) and the inbox (email).
PCNSA Palo Alto Networks Platforms and Architecture Practice Question
This PCNSA practice question tests your understanding of palo alto networks platforms and architecture. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network administrator is configuring a Palo Alto Networks firewall in a datacenter. Which TWO traffic types can be inspected by the firewall's Threat Prevention subscription? (Choose two.)
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
Web traffic (HTTP/HTTPS)
B is correct because the Threat Prevention subscription includes the WildFire and antivirus/anti-spyware engines that inspect web traffic (HTTP/HTTPS) for malware, exploits, and command-and-control callbacks. D is correct because the subscription also inspects email protocols (SMTP, POP3, IMAP) for malicious attachments, phishing links, and spam, using decryption and content-ID signatures.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
FTP traffic (File Transfer Protocol)
Why it's wrong here
FTP is not directly inspected by Threat Prevention; file blocking for FTP is part of the URL Filtering or WildFire subscriptions.
- ✓
Web traffic (HTTP/HTTPS)
Why this is correct
Web traffic is a primary target for Threat Prevention, which includes antivirus, anti-spyware, and vulnerability protection.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
VoIP traffic (SIP, H.323)
Why it's wrong here
VoIP inspection is part of the Threat Prevention subscription only for SIP and H.323, but it is not a typical focus; more commonly handled by other features.
- ✓
Email traffic (SMTP, POP3, IMAP)
Why this is correct
Email traffic can carry malware and is inspected by Threat Prevention for malicious attachments and links.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Database traffic (SQL, Oracle)
Why it's wrong here
Database traffic inspection requires specific application-level threat prevention, which is not a standard part of Threat Prevention subscription.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume all application-layer traffic (like FTP, VoIP, or database) is equally inspected by Threat Prevention, but Palo Alto Networks separates inspection responsibilities: Threat Prevention is specifically designed for web and email traffic, while other traffic types are handled by separate profiles like Application Security or Data Filtering.
Detailed technical explanation
How to think about this question
Under the hood, the Threat Prevention subscription leverages a unified content-ID engine that decodes HTTP/HTTPS streams and email MIME structures to extract files and URLs for signature matching and WildFire analysis. In real-world deployments, inspecting HTTPS traffic requires SSL decryption to be enabled, as the firewall cannot inspect encrypted payloads without a decryption policy, making web traffic a primary focus for threat prevention.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this PCNSA question test?
Palo Alto Networks Platforms and Architecture — This question tests Palo Alto Networks Platforms and Architecture — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Web traffic (HTTP/HTTPS) — B is correct because the Threat Prevention subscription includes the WildFire and antivirus/anti-spyware engines that inspect web traffic (HTTP/HTTPS) for malware, exploits, and command-and-control callbacks. D is correct because the subscription also inspects email protocols (SMTP, POP3, IMAP) for malicious attachments, phishing links, and spam, using decryption and content-ID signatures.
What should I do if I get this PCNSA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Last reviewed: Jun 25, 2026
This PCNSA practice question is part of Courseiva's free Palo Alto Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCNSA exam.
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