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PCNSE Practice Test

At pcnsepracticetest.com, we offer expertly designed Palo Alto PCNSE practice test to help you gain the confidence and knowledge needed to pass the Palo Alto certified network security engineer exam on your first attempt. Our PCNSE exam questions are tailored to reflect the real exam experience, covering all critical topics such as firewall configuration, security policies, VPNs, threat prevention, and more.


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1. Exam-Aligned Questions: Our PCNSE practice exam is based on the latest exam objectives, ensuring you’re prepared for what’s on the actual exam.
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Palo Alto PCNSE Practice Exam Questions



Question # 1

Certain services in a customer implementation are not working, including Palo Alto Networks Dynamic version updates. Which CLI command can the firewall administrator use to verify if the service routes were correctly installed and that they are active in the Management Plane?
A. debug dataplane Internal vif route 250
B. show routing route type service-route
C. show routing route type management
D. debug dataplane internal vif route 255


B. show routing route type service-route
Explanation:
When certain services (like Dynamic Updates, WildFire, or URL Filtering) are not working, the issue often lies in service route configuration. These routes determine how the management plane reaches external services.

To verify that service routes are correctly installed and active, use:
bash show routing route type service-route

This command displays:
The destination IPs for services
The interface and next-hop used
Whether the route is active
πŸ“š Reference:
Palo Alto Networks – Service Route Configuration

❌ Why Other Options Are Wrong:
A & D. debug dataplane internal vif route:
These are low-level dataplane diagnostics β€” not relevant to management plane service routes.
C. show routing route type management:
Displays routes for management traffic β€” not service-specific routes.




Question # 2

Please match the terms to their corresponding definitions.


Explanation:

1.management plane:
This plane handles administrative tasks such as configuration, logging, and reporting. It is supported by a separate processor, RAM, and hard drive to ensure these tasks do not interfere with real-time traffic processing.
2.signature matching:
This involves identifying threats using stream-based, uniform signature matching techniques. It targets exploits (via Intrusion Prevention System - IPS), viruses, spyware, command-and-control (C2) traffic, and stolen sensitive data (SSN).
3.security processing:
This plane performs advanced security functions using high-density parallel processing, enabling flexible and standardized handling of complex security tasks across multiple cores or processors.
4.network processing:
This focuses on network-related tasks, leveraging hardware-accelerated processing for per-packet route lookups, MAC address lookups, and Network Address Translation (NAT) to optimize performance.
These mappings align with the Palo Alto Networks firewall architecture, where different planes are dedicated to specific functions, supported by specialized hardware or processing capabilities. This design ensures efficient handling of management, security, and network tasks.

References:
Palo Alto Networks Documentation:
Firewall Architecture Overview
Palo Alto Networks Technical Whitepapers:
Single-Pass Parallel Processing Architecture




Question # 3

An engineer manages a high availability network and requires fast failover of the routing protocols. The engineer decides to implement BFD. Which three dynamic routing protocols support BFD? (Choose three.)
A. OSPF
B. RIP
C. BGP
D. IGRP
E. OSPFv3 virtual link


A. OSPF
C. BGP
E. OSPFv3 virtual link
Explanation:
Bidirectional Forwarding Detection (BFD) is a lightweight protocol used to detect link failures quickly, enabling fast failover for dynamic routing protocols. Palo Alto Networks firewalls support BFD integration with several routing protocols.

Supported Protocols:
A. OSPF β€” βœ… Supported
BFD can be enabled per OSPF interface.
Accelerates detection of neighbor loss.
C. BGP β€” βœ… Supported
BFD can monitor BGP peer reachability.
Useful for external and internal BGP sessions.
E. OSPFv3 virtual link β€” βœ… Supported
BFD can be applied to virtual links in OSPFv3 to ensure fast failure detection.
πŸ“š Reference:
Palo Alto Networks – Configure BFD

❌ Unsupported Protocols:
B. RIP β€” ❌ Not supported
RIP is slow and doesn’t support BFD.
D. IGRP β€” ❌ Not supported
IGRP is obsolete and not supported on PAN-OS




Question # 4

An administrator Just enabled HA Heartbeat Backup on two devices However, the status on tie firewall's dashboard is showing as down High Availability.

What could an administrator do to troubleshoot the issue?
A. Go to Device > High Availability> General > HA Pair Settings > Setup and configuring the peer IP for heartbeat backup
B. Check peer IP address In the permit list In Device > Setup > Management > Interfaces > Management Interface Settings
C. Go to Device > High Availability > HA Communications> General> and check the Heartbeat Backup under Election Settings
D. Check peer IP address for heartbeat backup to Device > High Availability > HA Communications > Packet Forwarding settings.


A. Go to Device > High Availability> General > HA Pair Settings > Setup and configuring the peer IP for heartbeat backup
Explanation:
The image confirms that Heartbeat Backup is showing as Down in the HA dashboard. This typically means the firewall is unable to communicate with its peer over the configured backup heartbeat channel.

To troubleshoot this:
Navigate to Device > High Availability > General > HA Pair Settings
Ensure the peer IP address for Heartbeat Backup is correctly configured
Verify that the interface used for heartbeat backup is up, reachable, and not blocked by firewall policies
πŸ“š Reference:
Palo Alto Networks – Configure HA Heartbeat Backup

❌ Why Other Options Are Wrong:
B. Management Interface Settings:
Not related to heartbeat backup unless you're using the management interface for HA (rare).
C. Election Settings:
Controls HA role election β€” not heartbeat communication.
D. Packet Forwarding Settings:
Not relevant to heartbeat backup configuration.




Question # 5

An engineer is bootstrapping a VM-Series Firewall Other than the /config folder, which three directories are mandatory as part of the bootstrap package directory structure? (Choose three.)
A. /content
B. /software
C. /piugins
D. /license
E. /opt


A. /content
B. /software
D. /license
Explanation:
When bootstrapping a VM-Series firewall, the bootstrap package (typically uploaded to cloud storage) must include specific directories to provide the firewall with all necessary components for initial deployment:

/content:
This directory contains the latest content updates (e.g., antivirus, applications, threats). These are critical for the firewall to immediately enforce security policies with up-to-date protections.
/software:
This directory holds the PAN-OS software image (e.g., PanOS_vm-10.1.0.tgz). The firewall uses this to install or upgrade the operating system during bootstrap.
/license:
This directory contains the license files (e.g., authcodes) required to activate features like Threat Prevention, WildFire, and GlobalProtect.
The /config directory is also mandatory and contains the initial configuration file (e.g., init-cfg.txt) and any device state snapshots.

Why the other options are incorrect:
C. /plugins:
This directory is not mandatory. It is used for specific plugins or additional software (e.g., CloudWatch plugin for AWS), but it is not required for basic bootstrap operations.
E. /opt:
This directory is not part of the standard bootstrap package structure. It is a common Linux directory for third-party software, but it is not used in the VM-Series bootstrap process.

Reference:
Palo Alto Networks VM-Series Documentation:
The "Bootstrap the VM-Series Firewall" section explicitly lists the required directories for the bootstrap package: /config, /content, /software, and /license.

PCNSE Exam Blueprint (Domain 2:
Deployment and Configuration): Understanding VM-Series deployment and bootstrap requirements is a key objective for cloud and virtualized environments.




Question # 6

Information Security is enforcing group-based policies by using security-event monitoring on Windows User-ID agents for IP-to-User mapping in the network. During the rollout, Information Security identified a gap for users authenticating to their VPN and wireless networks.
Root cause analysis showed that users were authenticating via RADIUS and that authentication events were not captured on the domain controllers that were being monitored Information Security found that authentication events existed on the Identity Management solution (IDM). There did not appear to be direct integration between PANOS and the IDM solution.
How can Information Security extract and learn iP-to-user mapping information from authentication events for VPN and wireless users?
A. Add domain controllers that might be missing to perform security-event monitoring for VPN and wireless users.
B. Configure the integrated User-ID agent on PAN-OS to accept Syslog messages over TLS.
C. Configure the User-ID XML API on PAN-OS firewalls to pull the authentication events directly from the IDM solution
D. Configure the Windows User-ID agents to monitor the VPN concentrators and wireless controllers for IP-to-User mapping.


B. Configure the integrated User-ID agent on PAN-OS to accept Syslog messages over TLS.
Explanation:

1: Problem restated
Goal: Enforce group-based policies (needs accurate IP-to-User mapping).
Current setup: Using Windows User-ID agent monitoring domain controller security logs.
Gap: VPN + Wireless logins are via RADIUS β†’ auth events not on DCs, but instead on the Identity Management (IDM) solution.
IDM does not have a direct PAN-OS integration.
So, how do we get User-ID mappings from IDM into PAN-OS?

2: Methods for IP-to-User Mapping
PAN-OS supports multiple methods:
Windows security event logs (via User-ID agent).
Syslog parsing from external auth sources (RADIUS, NAC, wireless controllers, VPN concentrators, IDM, etc.).
XML API (push mappings into PAN-OS).
Captive Portal / GlobalProtect.
πŸ‘‰ In this case: IDM generates syslog auth events β†’ The right approach is to configure Syslog Listener in PAN-OS User-ID agent to accept those syslog messages.

3: Analyze the Options
A. Add domain controllers that might be missing to perform security-event monitoring for VPN and wireless users.
❌ Wrong. Auth events are not on DCs at all (root cause already confirmed).

B. Configure the integrated User-ID agent on PAN-OS to accept Syslog messages over TLS.
βœ… Correct. PAN-OS User-ID agent (built-in or external) can parse syslog messages from IDM, extract username ↔ IP, and populate User-ID mappings. This solves the issue directly.
C. Configure the User-ID XML API on PAN-OS firewalls to pull the authentication events directly from the IDM solution.
❌ Wrong direction. PAN-OS does not β€œpull” from IDM via XML API β€” instead, third-party systems push mappings via XML API.
D. Configure the Windows User-ID agents to monitor the VPN concentrators and wireless controllers for IP-to-User mapping.
❌ Not possible in this case. Those devices authenticate through IDM, not directly exposing logs. Windows User-ID agents can’t just β€œmonitor” VPN controllers unless they emit Windows events (which they don’t).

πŸ”Ή Key Takeaways for PCNSE
If auth logs don’t hit the DCs, use Syslog integration to feed mappings.
PAN-OS can parse syslog login events from IDM, RADIUS servers, wireless controllers, NAC, etc.
XML API is push-only β€” third-party system pushes mappings to PAN-OS, not PAN-OS pulling.

πŸ“– Reference:
Configure User Mapping Using Syslog Senders
β€œA firewall or User-ID agent can monitor syslog messages from authentication systems to learn IP-to-username mappings.”




Question # 7

Given the following snippet of a WildFire submission log, did the end user successfully download a file?
A. No, because the URL generated an alert.
B. Yes, because both the web-browsing application and the flash file have the 'alert" action.
C. Yes, because the final action is set to "allow.''
D. No, because the action for the wildfire-virus is "reset-both."


D. No, because the action for the wildfire-virus is "reset-both."
Explanation:

1.The "allow" action is for the application, not the *threat:**
The first log line shows the application flash was initially allowed by the rule General Web Infrastructure. This means the firewall permitted the session to be established for application identification and further inspection.
An allow action on an App-ID rule does not mean threats within that session are also allowed. The firewall continues to inspect the traffic for threats.

2.The "reset-both" action is the definitive outcome:
Subsequent logs show the flash file was analyzed by the WildFire and virus threat prevention engines.
Crucially, the wildfire-virus and virus log entries both have an action of reset-both.
A reset-both action immediately terminates the TCP session by sending TCP reset (RST) packets to both the client and server. This prevents the completion of the transfer, meaning the file was not successfully downloaded to the user's endpoint.

3.Why the other options are incorrect:
A. No, because the URL generated an alert.
- While the url category did generate an alert, this is just a log entry. The alert action itself does not block traffic. The session was ultimately terminated by the more severe reset-both action from the virus detection.
B. Yes, because both the web-browsing application and the flash file have the 'alert' action.
- The alert action for the file and url events is informational and does not override the subsequent reset-both action, which is a blocking action. The presence of an alert does not mean the session was allowed to complete.
C. Yes, because the final action is set to 'allow.
' - This is a misinterpretation of the log. The allow action is the first event for the application. The subsequent security subsystem events (wildfire-virus, virus) have their own actions which take precedence and override the initial application allow.

Reference:
Palo Alto Networks Administrator Guide | Security Policy Rulebuilding | Rule Evaluation Order: Security profiles (Threat, Vulnerability, WildFire, etc.) are evaluated after the Security policy rule. A traffic flow is only ultimately permitted if it is allowed by the App-ID rule and not blocked by any security profile. A reset-both action from a security profile will always block the session.
Action Definitions: In the context of logs, reset-both is a definitive blocking action that terminates a session in progress.



How to Pass PCNSE Exam?

PCNSE certification validates your expertise in designing, deploying, configuring, and managing Palo Alto Networks firewalls and Panorama, making it essential to thoroughly understand both the concepts and practical applications.

Official PCNSE Study Guide is an excellent resource to help you prepare effectively. Consider enrolling in official training courses like the Firewall Essentials: Configuration and Management (EDU-210) or Panorama: Managing Firewalls at Scale (EDU-220). Setting up a lab environment using Palo Alto firewalls, either physical or virtual, allows you to practice configuring and managing the platform in real-world scenarios. Focus on key tasks such as configuring security policies, NAT, VPNs, and high availability, as well as implementing App-ID, Content-ID, and User-ID.

Our PCNSE practice test help you identify areas where you need improvement and familiarize you with the exam format and question types. Engaging with the Palo Alto Networks community through forums like the LIVE Community or Reddit can also provide valuable insights and tips from others who have taken the Palo Alto certified network security engineer exam.