- A
Disable App-ID for that traffic to reduce overhead.
Why wrong: Disabling App-ID would prevent identification entirely.
- B
Create a custom application with hostname conditions.
Hostname conditions match the SNI in TLS, allowing identification even with dynamic IPs.
- C
Use a port-based application override.
Why wrong: Override bypasses App-ID, preventing accurate identification.
- D
Configure a URL filtering category for the application.
Why wrong: URL filtering is separate from App-ID; it does not change application identity.
Question 499 of 516
PCNSE Securing Traffic and App-ID Practice Question
This PCNSE practice question tests your understanding of securing traffic and app-id. 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.
An organization uses a SaaS application that runs on a dynamic set of IP addresses. The application traffic is currently identified as ssl and not as the specific application. How can the administrator improve application identification for this SaaS application?
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
✓
Create a custom application with hostname conditions.
Option B is correct because App-ID can identify SaaS applications by hostname conditions when the application uses a dynamic set of IP addresses. By creating a custom application with hostname conditions (e.g., matching the FQDN of the SaaS service), the firewall can accurately identify the traffic as that specific application rather than generic SSL, even as the backend IPs change. This leverages the firewall's ability to inspect the Server Name Indication (SNI) field in the TLS handshake or the HTTP Host header.
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.
- ✗
Disable App-ID for that traffic to reduce overhead.
Why it's wrong here
Disabling App-ID would prevent identification entirely.
- ✓
Create a custom application with hostname conditions.
- ✗
Use a port-based application override.
Why it's wrong here
Override bypasses App-ID, preventing accurate identification.
- ✗
Configure a URL filtering category for the application.
Why it's wrong here
URL filtering is separate from App-ID; it does not change application identity.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume port-based overrides (Option C) are the only way to identify traffic, but they fail to recognize that hostname-based conditions in custom applications provide a more precise and dynamic identification method for SaaS applications with changing IP addresses.
Detailed technical explanation
How to think about this question
Under the hood, App-ID can use multiple identification methods, including protocol decoding, SSL/TLS handshake inspection (SNI), and HTTP header analysis. When creating a custom application with hostname conditions, the firewall matches the SNI field in the ClientHello message or the Host header in HTTP/HTTPS requests, allowing it to identify the application even if the IP addresses change frequently. This is particularly useful for SaaS providers that use CDNs or load balancers with dynamic IP pools, where IP-based identification would be unreliable.
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.
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Securing Traffic and App-ID — study guide chapter
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FAQ
Questions learners often ask
What does this PCNSE question test?
Securing Traffic and App-ID — This question tests Securing Traffic and App-ID — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a custom application with hostname conditions. — Option B is correct because App-ID can identify SaaS applications by hostname conditions when the application uses a dynamic set of IP addresses. By creating a custom application with hostname conditions (e.g., matching the FQDN of the SaaS service), the firewall can accurately identify the traffic as that specific application rather than generic SSL, even as the backend IPs change. This leverages the firewall's ability to inspect the Server Name Indication (SNI) field in the TLS handshake or the HTTP Host header.
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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Last reviewed: Jul 4, 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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