PCNSA Cheat Sheet 2026

The 30 highest-yield PCNSA facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. What is the purpose of creating security zones on a Palo Alto Networks firewall? → To logically segment network traffic for policy enforcement
2. Which approach is recommended for implementing network configuration changes? → Following a structured change management process with testing
3. What security consideration is most important in system architecture? → Implementing the principle of least privilege and defense in depth
4. Which Palo Alto Networks security profile is used to detect and block known vulnerability exploits targeting applications? → Vulnerability Protection profile
5. Which Palo Alto Networks VPN technology is used to provide secure remote access for end users connecting from laptops or mobile devices? → GlobalProtect
6. What is the fundamental principle behind implementation planning in the context of Palo Alto Networks Certified Network Security Administrator? → Ensuring reliability, security, and optimal performance
7. Which action in a Threat Prevention profile causes the firewall to generate a log entry but still allow the traffic? → Alert
8. What security consideration is most important in performance monitoring? → Implementing the principle of least privilege and defense in depth
9. What security consideration is most important in network configuration? → Implementing the principle of least privilege and defense in depth
10. Which Palo Alto Networks feature allows a GlobalProtect gateway to enforce Host Information Profile (HIP) checks? → HIP-based policy enforcement
11. What does the Anti-Spyware profile protect against on a Palo Alto Networks firewall? → Command-and-control (C2) traffic and spyware phone-home activity
12. How should you document performance monitoring configurations? → Maintain up-to-date documentation in a centralized, accessible location
13. Which Palo Alto Networks tool is used for centralized logging and reporting across multiple firewalls? → Panorama
14. What should you do when troubleshooting a network configuration issue? → Follow a systematic approach: identify, research, test, implement, verify
15. What is the primary purpose of Panorama in a hybrid cloud environment? → Centralized management of multiple firewalls
16. What is the fundamental principle behind security fundamentals in the context of Palo Alto Networks Certified Network Security Administrator? → Ensuring reliability, security, and optimal performance
17. In a Palo Alto Networks IPsec VPN configuration, what is an 'IKE Gateway'? → A configuration object defining the peer VPN device and IKE parameters for Phase 1
18. How should you document security fundamentals configurations? → Maintain up-to-date documentation in a centralized, accessible location
19. What is the primary purpose of the default "intrazone-default" policy? → Allow traffic between interfaces within the same zone
20. What is the fundamental principle behind troubleshooting methods in the context of Palo Alto Networks Certified Network Security Administrator? → Ensuring reliability, security, and optimal performance
21. What should you do when troubleshooting a system architecture issue? → Follow a systematic approach: identify, research, test, implement, verify
22. What is the purpose of the ACC (Application Command Center) on a Palo Alto Networks firewall? → Provides a detailed summary of network traffic and threats
23. What security consideration is most important in data management? → Implementing the principle of least privilege and defense in depth
24. What should you do when troubleshooting a troubleshooting methods issue? → Follow a systematic approach: identify, research, test, implement, verify
25. What is the fundamental principle behind performance monitoring in the context of Palo Alto Networks Certified Network Security Administrator? → Ensuring reliability, security, and optimal performance
26. What should you do when troubleshooting a implementation planning issue? → Follow a systematic approach: identify, research, test, implement, verify
27. Which of the following are required when configuring a security policy on a Palo Alto Networks firewall? → Source zone
28. Which steps are required to create a Security Policy on a Palo Alto Networks firewall? → Specify source and destination zones
29. What is the role of the GlobalProtect Portal in a Palo Alto Networks remote access deployment? → Authenticates users and distributes agent configuration to connecting clients
30. Which WildFire verdict indicates that a file exhibits suspicious or unwanted behavior but is not definitively classified as malicious? → Grayware