Palo Alto Interview Q&A 2025 · Techclick AI Hub (Private)

Active/Passive: One firewall does all the work, the other waits. Simple, predictable, supports all features. Default choice for 95% of deployments — branch, DC, internet edge.
Active/Active: Both firewalls forward traffic simultaneously. Each session has an "owner" and a "setup" firewall that coordinate via HA3. Use only if you have asymmetric routing or two separate ISP paths active at the same time.

Palo Alto NGFW · Interview Mastery 2025

50 of the most commonly asked Palo Alto questions in 2025 — rewritten the way an L3 engineer would actually answer them, with embedded flow diagrams so you don't just memorize text. Click any question to expand. Use the search box to jump to a topic, or category buttons to filter.

📚 50 Questions 🎨 12+ Diagrams 🧠 L3-grade depth 🎯 Quiz mode included