Free Palo Alto Networks PCNSC Exam Actual Questions

The questions for PCNSC were last updated On Jun 13, 2025

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Question No. 1

Which interface deployments support the Aggregate Ethernet Active configuration? (Choose three.)

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Correct Answer: B, C, D

The interface deployments that support the Aggregate Ethernet (AE) Active configuration are:

B . LACP in Layer 3: Link Aggregation Control Protocol (LACP) can be used in Layer 3 interfaces to bundle multiple physical interfaces into a single logical interface for redundancy and increased bandwidth.

C . LACP in Layer 2: LACP can be used in Layer 2 interfaces to aggregate multiple Ethernet interfaces, enhancing throughput and providing failover capabilities within a Layer 2 network.

D . LACP in Virtual Wire: LACP can also be configured in Virtual Wire mode, which allows the firewall to aggregate interfaces while operating in a transparent mode, bridging traffic between interfaces without routing.

These configurations leverage LACP to improve network performance and reliability by combining multiple physical links into a single logical link.


Palo Alto Networks - Aggregate Interfaces: https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-admin/networking/aggregate-ethernet/aggregate-ethernet-overview

Palo Alto Networks - LACP and LLDP Support: https://docs.paloaltonetworks.com/pan-os/10-0/pan-os-admin/networking/aggregate-ethernet/lacp-and-lldp-support

Question No. 2

TAC has requested a PCAP on your Panorama lo see why the DNS app is having intermittent issues resolving FODN What is the appropriate CLI command1*

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Correct Answer: B

To capture a PCAP on your Panorama to troubleshoot DNS resolution issues, the appropriate CLI command is:

B . tcpdump snaplen 0 filter 'port 53'

This command captures packets with no size limit (snaplen 0) and filters the traffic for port 53, which is used by DNS. This is the most straightforward and comprehensive way to capture all DNS traffic for analysis.


Palo Alto Networks - Using tcpdump on PAN-OS: https://knowledgebase.paloaltonetworks.com

Palo Alto Networks - Troubleshooting Network Connectivity Issues: https://docs.paloaltonetworks.com

Question No. 3

In Panorama, what is the correct order of precedence for security policies?

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Correct Answer: C

Question No. 4

What command can you use to check the status of GlobalProtect clients connected to the firewall?

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Correct Answer: B

Question No. 5

Which Panorama operational mode is necessary to manage a large number of firewalls and also act as a log collector?

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Correct Answer: C