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PCNSA · Question #323

PCNSA Question #323: Real Exam Question with Answer & Explanation

The correct answer is A: 1. An interface on a firewall can belong to only one security zone at a time to ensure clear network segmentation and consistent application of security policies.

Submitted by hassan_iq· Apr 18, 2026Configure

Question

An interface can belong to how many Security Zones?

Options

  • A1
  • B2
  • C3
  • D4

Explanation

An interface on a firewall can belong to only one security zone at a time to ensure clear network segmentation and consistent application of security policies.

Common mistakes.

  • B. Allowing an interface to belong to multiple zones would complicate policy evaluation and could lead to security vulnerabilities due to unclear zone boundaries and conflicting policy applications.
  • C. Allowing an interface to belong to multiple zones would complicate policy evaluation and could lead to security vulnerabilities due to unclear zone boundaries and conflicting policy applications.
  • D. Allowing an interface to belong to multiple zones would complicate policy evaluation and could lead to security vulnerabilities due to unclear zone boundaries and conflicting policy applications.

Concept tested. Interface to security zone mapping

Reference. https://docs.paloaltonetworks.com/pan-os/10-2/pan-os-admin/getting-started/planning-your-network-deployment/security-zones.html

Topics

#Security Zones#Interfaces#Zone configuration

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