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Palo Alto Networks PCNSC Practice Test 1

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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*

tcp dump snaplen 53 filter 'tcp 53'
tcp dump snaplen 53 filter 'tcp 53'
tcpdump snaplen 0 filter 'port 53'
tcpdump snaplen 0 filter 'port 53'
tcp dump snap-en 0 filter 'app dns'
tcp dump snap-en 0 filter 'app dns'
tcpdump snaplen 53 filter 'port 53'
tcpdump snaplen 53 filter 'port 53'
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Suggested answer: B
Explanation:

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

asked 23/09/2024
Hassene SAADI
44 questions


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