PCNSA Managing Objects Practice Question
Exhibit
> show address-group "web-servers" Address group name: web-servers Type: static Members: web-01 web-02 web-03
Refer to the exhibit. An admin adds a new address object 'web-04' with IP 10.0.0.4 and applies it to a security policy that references the address group 'web-servers'. However, traffic to 10.0.0.4 is not allowed. What is the most likely cause?
⚠ Common exam trap
Palo Alto Networks often tests the distinction between creating an object and applying it to a group; the trap here is that candidates assume creating the object and referencing the group in the policy is sufficient, forgetting that the object must be a member of the group for the policy to match.
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
✓
The admin forgot to add 'web-04' to the address group
The address object 'web-04' was created but not added to the address group 'web-servers'. In Palo Alto Networks firewalls, security policies reference address groups, not individual objects. Even if the object exists, the policy will not match traffic destined to 10.0.0.4 unless the object is a member of the referenced group. This is the most common cause of such a failure.
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 admin forgot to add 'web-04' to the address group
Why this is correct
Static groups require explicit member addition.
- ✗
The address object 'web-04' has the wrong IP
Why it's wrong here
The IP is correct as specified; the issue is lack of group membership.
- ✗
The address group is dynamic and did not update
Why it's wrong here
The group is static, not dynamic.
- ✗
The security policy is set to deny
Why it's wrong here
There is no indication the policy denies traffic.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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