PCNSE Core Concepts and Architecture Practice Question
A security administrator is configuring a Palo Alto Networks firewall and needs to ensure that traffic from the trust zone to the untrust zone is inspected for threats. The administrator wants to enable threat prevention profiles on the security policy. Which Palo Alto Networks feature is responsible for detecting and preventing threats such as viruses, spyware, and command-and-control traffic?
⚠ Common exam trap
The trap here is assuming that App-ID or SSL Decryption provides threat detection, but only Content-ID does.
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
✓
Content-ID
Content-ID is the Palo Alto Networks integrated threat prevention engine that provides antivirus, anti-spyware, vulnerability protection, and other threat detection capabilities. It inspects allowed traffic based on security profiles attached to security policies. In this scenario, enabling threat prevention profiles activates Content-ID to detect and prevent threats such as viruses, spyware, and command-and-control traffic. App-ID identifies applications, User-ID maps users, and SSL Decryption enables inspection of encrypted traffic, but none of these detect threats directly.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
SSL Decryption
Why it's wrong here
SSL Decryption decrypts SSL/TLS traffic to allow inspection by App-ID and Content-ID. It does not detect threats itself. Without SSL decryption, encrypted threats may go undetected, but SSL decryption is an enabler, not the threat detection engine. In this scenario, the administrator needs to enable threat prevention, which is provided by Content-ID. SSL Decryption would be relevant if the traffic were encrypted, but it is not the feature that detects threats.
- ✗
App-ID
Why it's wrong here
App-ID identifies applications but does not detect threats. It is used to enforce security policies based on applications, users, and content. While App-ID is a prerequisite for threat inspection, it does not itself detect viruses or spyware. In this scenario, the administrator needs threat prevention, which is provided by Content-ID. App-ID would be used to identify the application, but the threat detection is handled by a different component.
- ✗
User-ID
Why it's wrong here
User-ID maps IP addresses to users and groups, enabling policies based on user identity. It does not detect threats. While User-ID can be used in conjunction with threat prevention to create user-specific policies, it is not the feature that detects viruses or spyware. In this scenario, the administrator needs to enable threat prevention, which is a function of Content-ID, not User-ID.
- ✓
Content-ID
Why this is correct
Content-ID is the Palo Alto Networks integrated threat prevention engine that includes antivirus, anti-spyware, vulnerability protection, URL filtering, and file blocking. It inspects allowed traffic for threats and can block or alert based on security profiles. In this scenario, enabling threat prevention profiles on the security policy activates Content-ID to detect and prevent viruses, spyware, and command-and-control traffic. Content-ID works in conjunction with App-ID to provide comprehensive security.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Palo Alto Networks exam blueprint
This PCNSE 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 PCNSE exam.