This PCNSA practice question tests your understanding of managing objects. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
Refer to the exhibit. An administrator configured a dynamic address group named 'WebServers-Group' with filter 'WebServer-*'. However, the group does not include the address objects 'WebServer-1' and 'WebServer-2'. What is the most likely reason?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The filter should use double quotes instead of single quotes around the pattern.
Option D is correct because in PAN-OS, dynamic address group filters that use name-based patterns must be enclosed in double quotes (e.g., 'WebServer-*') to be interpreted correctly. Single quotes are not recognized by the system as valid string delimiters for filter expressions, causing the filter to fail to match the intended address objects.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
The filter should include a tag condition because dynamic groups require tags.
Why it's wrong here
Tags are not required; name-based filters work with correct syntax.
✗
The dynamic address group cannot use name-based filters; it requires tags.
Why it's wrong here
Dynamic address groups can use name-based filters without tags.
✗
The address object 'WebServer-2' uses an IP range, which is not supported in dynamic address groups.
Why it's wrong here
Dynamic address groups support IP range objects.
✓
The filter should use double quotes instead of single quotes around the pattern.
Why this is correct
Correct quote type is double quotes for the filter string.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Palo Alto Networks often tests the subtle syntax requirement that dynamic address group filters must use double quotes (not single quotes) for name-based patterns, leading candidates to overlook this detail and incorrectly assume tags or object types are the issue.
Detailed technical explanation
How to think about this question
In PAN-OS, dynamic address group filters are evaluated using a string-matching syntax where the filter value must be enclosed in double quotes to be treated as a literal pattern. Single quotes are not valid delimiters in the filter expression language, so the filter 'WebServer-*' is not parsed correctly, resulting in no matches. This is distinct from CLI or API usage where single quotes might be acceptable in other contexts, but the GUI and backend engine require double quotes for filter strings.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A small business has 20 workstations on the 192.168.1.0/24 network and one public IP from its ISP. The router uses PAT (NAT overload) so all 20 devices share one public address using different source ports. NAT questions test whether you understand the four address terms and which direction each translation applies.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Managing Objects — This question tests Managing Objects — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The filter should use double quotes instead of single quotes around the pattern. — Option D is correct because in PAN-OS, dynamic address group filters that use name-based patterns must be enclosed in double quotes (e.g., 'WebServer-*') to be interpreted correctly. Single quotes are not recognized by the system as valid string delimiters for filter expressions, causing the filter to fail to match the intended address objects.
What should I do if I get this PCNSA question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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