URL Filtering License Expiration: Continued Use of Last Database
This PCNSE practice question tests your understanding of troubleshoot. 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.
Exhibit
system log:
2019-03-15 14:23:45, severity: critical, module: license, description: License for URL Filtering has expired.
Refer to the exhibit. A firewall system log contains a critical license expiration entry for URL Filtering. What will happen to URL Filtering functionality?
Exhibit
system log:
2019-03-15 14:23:45, severity: critical, module: license, description: License for URL Filtering has expired.
A
The firewall will stop passing traffic until the license is renewed.
Why wrong: Only the licensed feature is affected; traffic continues to pass but may not be filtered.
B
URL Filtering will stop working immediately until a new license is installed.
Why wrong: The feature continues to work using the last downloaded URL database, but updates cease.
C
URL Filtering will continue to use the last downloaded URL database but will not receive updates.
Licensed features continue to function with the last downloaded data when the license expires.
D
The firewall will automatically fall back to a basic URL category list.
Why wrong: There is no automatic fallback; the existing database is used.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
URL Filtering will continue to use the last downloaded URL database but will not receive updates.
When a URL Filtering license expires on a Palo Alto Networks firewall, the device does not immediately disable the feature. Instead, it continues to use the last downloaded URL database to categorize URLs, but it will no longer receive periodic database updates from the Palo Alto Networks update server. This ensures that existing traffic policies based on URL categories remain functional, though new or changed URLs may not be accurately categorized until the license is renewed.
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 firewall will stop passing traffic until the license is renewed.
Why it's wrong here
Only the licensed feature is affected; traffic continues to pass but may not be filtered.
✗
URL Filtering will stop working immediately until a new license is installed.
Why it's wrong here
The feature continues to work using the last downloaded URL database, but updates cease.
✓
URL Filtering will continue to use the last downloaded URL database but will not receive updates.
Why this is correct
Licensed features continue to function with the last downloaded data when the license expires.
Related concept
Read the scenario before looking for a memorised answer.
✗
The firewall will automatically fall back to a basic URL category list.
Why it's wrong here
There is no automatic fallback; the existing database is used.
Common exam traps
Common exam trap: answer the scenario, not the keyword
A common misconception is that license expiration immediately disables the associated feature, but Palo Alto Networks firewalls are designed to continue using the last known good data to maintain operational continuity until the license is renewed.
Detailed technical explanation
How to think about this question
The URL Filtering database is stored in a local cache (e.g., the `url-filtering` database on the firewall's hard drive or SSD). When the license expires, the firewall stops contacting the Palo Alto Networks update servers (typically via HTTPS to `updates.paloaltonetworks.com`) to download new database versions. The existing database remains in place and is used for all URL lookups until it is manually replaced or the license is renewed. In a real-world scenario, this means that if a new malicious domain is added to the cloud database after the license expires, the firewall will not recognize it, potentially allowing threats through until the database is updated.
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 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
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.
Troubleshoot — This question tests Troubleshoot — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: URL Filtering will continue to use the last downloaded URL database but will not receive updates. — When a URL Filtering license expires on a Palo Alto Networks firewall, the device does not immediately disable the feature. Instead, it continues to use the last downloaded URL database to categorize URLs, but it will no longer receive periodic database updates from the Palo Alto Networks update server. This ensures that existing traffic policies based on URL categories remain functional, though new or changed URLs may not be accurately categorized until the license is renewed.
What should I do if I get this PCNSE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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