Quick Answer
The answer is View the list of blocked IPs, Remove an IP address, and Add an IP address as the three valid actions on a dynamic block list entry. These actions are correct because the dynamic block list in PAN-OS is a live, mutable list that administrators manage to temporarily or permanently block IP addresses based on threat intelligence. The list supports adding entries manually or via automated feeds, removing entries when a threat is resolved, and viewing the current blocked IPs to audit security posture. On the Palo Alto Networks Certified Network Security Engineer PCNSE exam, this topic tests your understanding of how dynamic block lists differ from static address objects, often appearing in questions about WildFire or AutoFocus automation. A common trap is confusing the dynamic block list’s actions with static policy rules—remember that dynamic entries are meant for quick, temporary blocks, not permanent configurations. Memory tip: think of the three actions as ARV—Add, Remove, View—like a simple file management system for threat data.
This PCNSE practice question tests your understanding of manage, monitor and operate. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which THREE of the following are valid actions that can be taken on a dynamic block list entry? (Choose three.)
Remove an IP address
Entries can be removed manually.
Add an IP address
IP addresses can be added to the dynamic block list.
View the list of blocked IPs
The list can be viewed via CLI or GUI.
Add a username to block
Why wrong: Dynamic block list does not support usernames.
Convert a dynamic entry to a static entry
Why wrong: Dynamic entries cannot be converted to static.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Remove an IP address
Option A is correct because the dynamic block list in PAN-OS allows administrators to remove an IP address from the list using the 'delete' action via the CLI or API. This is a standard operation for managing entries that were automatically added by automated threat prevention features like WildFire or AutoFocus.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Remove an IP address
Why this is correct
Entries can be removed manually.
Related concept
Read the scenario before looking for a memorised answer.
Add an IP address
Why this is correct
IP addresses can be added to the dynamic block list.
Related concept
Read the scenario before looking for a memorised answer.
View the list of blocked IPs
Why this is correct
The list can be viewed via CLI or GUI.
Related concept
Read the scenario before looking for a memorised answer.
Add a username to block
Why it's wrong here
Dynamic block list does not support usernames.
Convert a dynamic entry to a static entry
Why it's wrong here
Dynamic entries cannot be converted to static.
Common exam traps
Palo Alto Networks often tests the misconception that the dynamic block list supports usernames or can convert entries to static, but the list is strictly IP-based and temporary by design.
Detailed technical explanation
The dynamic block list is a time-bound, automatically populated list that supports add, remove, and view operations via the CLI (e.g., 'show dynamic-block-list') or API. Entries have a configurable TTL (default 300 seconds) and are typically populated by automated feeds like Minemeld or external threat intelligence, making conversion to static entries irrelevant as they would lose their automated lifecycle management.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the PCNSE exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Manage, Monitor and Operate — This question tests Manage, Monitor and Operate — Read the scenario before looking for a memorised answer..
The correct answer is: Remove an IP address — Option A is correct because the dynamic block list in PAN-OS allows administrators to remove an IP address from the list using the 'delete' action via the CLI or API. This is a standard operation for managing entries that were automatically added by automated threat prevention features like WildFire or AutoFocus.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 30, 2026
This PCNSE 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 PCNSE exam.
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