Palo Alto Networks (PANW) Certified Network Security Administrator (PCNSA) Practice Exam

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Prepare for the Palo Alto Networks Certified Network Security Administrator Exam with flashcards and multiple choice questions. Each question includes hints and explanations to boost your confidence and readiness!

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What action can determine which NAT rules have not been matched since the last reboot?

Select "Show All Rules" in the NAT policies
Check the logs for non-matching rules
Select the "Highlight Unused Rules" option under Policies -> NAT
Run a session report

The correct answer is: Select the "Highlight Unused Rules" option under Policies -> NAT

Selecting the "Highlight Unused Rules" option under Policies -> NAT is the correct action to determine which NAT rules have not been matched since the last reboot. This feature in the Palo Alto Networks firewall interface provides a visual indication of any NAT rules that have not been utilized or triggered, thereby allowing administrators to easily identify any unused or potentially redundant rules in their configuration. The reason this option is effective lies in its specific design to analyze the current state of NAT rule utilization. It streamlines the process of maintaining a clean and efficient set of policies, which is crucial for optimal performance and easier management. While reviewing logs or running a session report could provide insights into NAT activity, they are generally more focused on showing traffic and sessions that have occurred rather than explicitly highlighting rules that remain unused since the last restart. The ability to highlight unused rules is tailored for this specific need and enhances clarity in NAT policy management.