PCNSA Managing Objects Practice Question
An administrator wants to allow only specific applications (e.g., web-browsing, ssl) from the internal network to the internet. Which object type should be used in the security policy application field?
⚠ Common exam trap
Candidates often confuse service objects (Layer 4) with application objects (Layer 7), assuming that specifying a port/protocol is sufficient to control applications, but the PCNSA exam emphasizes that application-based policies require App-ID objects for granular control.
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
✓
Application object
Application object, because in Palo Alto Networks security policies, the application field uses predefined or custom application objects to identify traffic based on the application identity, not just port/protocol. This allows the administrator to permit specific applications like web-browsing (HTTP/HTTPS) and SSL while blocking others, even if they use the same ports. Application objects leverage App-ID technology to inspect traffic beyond Layer 4, ensuring only allowed applications pass.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Application object
Why this is correct
Application objects identify traffic by application signatures rather than port or protocol, so the policy can permit web-browsing and ssl specifically. This satisfies the requirement to allow only those named applications from internal to internet.
- ✗
Application filter
Why it's wrong here
Application filters match applications by category, technology, risk or characteristic, not by the specific named applications the administrator wants to permit. It is tempting because filters narrow application scope, but that fits dynamic criteria-based selection, not an explicit allow-list of web-browsing and ssl.
- ✗
Application group
Why it's wrong here
An application group bundles applications for policy convenience, but the stem requires selecting only specific applications such as web-browsing and ssl, which the application field accepts directly. It is tempting because groups simplify management, yet that fits grouping many applications for reuse, not restricting a policy to named ones.
- ✗
Service object
Why it's wrong here
Service objects define port and protocol combinations, not applications; the security policy application field cannot reference them. It is tempting because services also restrict traffic, but that fits layer-4 port-based rules, whereas application identification requires application or application-group objects.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.