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Palo Alto Networks Certified Network Security Engineer PCNSE Practice Test

319 questions with instant explanations, domain breakdown, and wrong-answer analysis. Built for the real exam.

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Full explanations included
Domain score breakdown
Real exam: 90 min

This exam was retired by the vendor on July 31, 2025.

PCNSE can no longer be scheduled. The practice material below remains available for reference and for learners studying the underlying skills. See Palo Alto Networks' current certification portfolio (NGFW Engineer, Network Security Professional)

Sample questions with explanations

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Q1Securing Users and Applications with Authenticationeasy
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A company wants to enforce multi-factor authentication (MFA) for all administrative access to the Palo Alto Networks firewall. They have a RADIUS server configured with MFA capability (e.g., RSA SecurID). The firewall is currently using local authentication for admin accounts. What must be configured to enforce MFA for admin access?

ACreate a security policy to allow RADIUS traffic from the firewall to the RADIUS server.
BEnable MFA in the User-ID agent configuration.
Create an authentication profile using RADIUS with MFA enabled and assign it to the admin accounts.Correct
DConfigure an authentication enforcement rule in the authentication policy.

To enforce MFA for administrative access on a Palo Alto Networks firewall, you must create an authentication profile that uses RADIUS (or another MFA-capable server) and then assign that profile to the admin accounts. The authentication profile defines how the firewall authentica…Read full explanation

Q2Managing Troubleshooting and High Availabilityhard
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In an Active/Passive HA pair, the passive firewall reports 'non-functional' state. The 'show high-availability state' output on the passive shows 'state: non-functional' and 'reason: configuration mismatch'. The active firewall shows 'state: active' and 'reason: no reason'. Which action should be taken to resolve the issue without disrupting traffic?

Run 'request high-availability sync-to-remote' from the active firewallCorrect
BRestart the HA process on the passive firewall with 'debug software restart high-availability'
CFailover the active firewall to force re-sync
DUpgrade both firewalls to the same PAN-OS version

The 'configuration mismatch' error indicates that the configuration databases on the active and passive firewalls are out of sync. Running 'request high-availability sync-to-remote' from the active firewall pushes the active configuration to the passive firewall without disruptin…Read full explanation

Q3Deploy and Configure Firewallsmedium
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Which TWO factors can cause a firewall to not show any User-ID mapping for a user who is actively logged in?

AThe user is using a VPN connection from a remote location
BThe firewall's User-ID agent is in collector mode
The User-ID agent is not configured with the firewall's IP as a clientCorrect
DThe user's traffic is being decrypted by SSL decryption

The User-ID agent must be configured with the firewall's IP address as a client to forward user-to-IP mappings. Without this configuration, the firewall will not receive the mapping data from the agent, even if the user is actively logged in and the agent is collecting security e…Read full explanation

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