PCNSA Policy Evaluation and Management Practice Question
A security administrator is configuring a rule to allow access to a web application hosted on multiple servers with changing IP addresses. The administrator wants to ensure the rule automatically updates as the IP addresses change, without manual intervention. Which feature should be used?
⚠ Common exam trap
Watch out — candidates often confuse Dynamic Address Groups with External Dynamic Lists, as both can involve dynamic IP addresses, but only Dynamic Address Groups use tags for automatic membership.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
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Dynamic Address Group
Dynamic Address Groups automatically update their members based on tags. When an IP address is tagged, it becomes part of the group. This allows security rules to dynamically adapt to changing IP addresses without manual intervention. Static Address Groups, External Dynamic Lists, and Application Groups do not provide the same seamless dynamic membership based on tagging.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Dynamic Address Group
Why this is correct
Dynamic Address Groups use tags to automatically include IP addresses that match certain criteria. When an IP address is tagged, it becomes a member of the group. This allows the security rule to automatically adapt as IP addresses change, without manual updates. This is the correct feature for dynamically updating rule membership based on IP addresses.
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Static Address Group
Why it's wrong here
Static Address Groups are manually defined lists of IP addresses or other address objects. They do not automatically update when IP addresses change. If the web servers' IP addresses change, the administrator would have to manually update the group. Therefore, static groups are not suitable for dynamic environments.
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Application Group
Why it's wrong here
Application Groups are used to group applications for use in security rules. They do not manage IP addresses. The scenario requires dynamic IP address updates, not application grouping. Therefore, Application Groups are not the correct choice.
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External Dynamic List
Why it's wrong here
External Dynamic Lists (EDLs) import IP addresses, URLs, or domains from an external source, such as a web server. They are updated periodically. While they can be used for dynamic updates, they require an external source to be maintained. Dynamic Address Groups are more integrated and can use tags from various sources, including EDLs, but they are the primary feature for dynamic group membership within the firewall.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official Palo Alto Networks exam blueprint
This PCNSA practice question is part of Courseiva's free Palo Alto Networks certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCNSA exam.