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Palo Alto Networks NetSec-Pro Exam - Topic 2 Question 9 Discussion

A network security engineer needs to implement segmentation but is under strict compliance requirements to place security enforcement as close as possible to the private applications hosted in Azure. Which deployment style is valid and meets the requirements in this scenario?
C) On a VM-Series NGFW, configure several Layer 3 zones with Layer 3 interfaces assigned to logically segment the network.
A) On a VM-Series NGFW, configure several Layer 2 zones with Layer 2 interfaces assigned to logically segment the network.
B) On a PA-Series NGFW, configure several Layer 2 zones with Layer 2 interfaces assigned to logically segment the network.
D) On a PA-Series NGFW, configure several Layer 3 zones with Layer 3 interfaces assigned to logically segment the network.

Palo Alto Networks NetSec-Pro Exam - Topic 2 Question 9 Discussion

Actual exam question for Palo Alto Networks's NetSec-Pro exam
Question #: 9
Topic #: 2
[All NetSec-Pro Questions]

A network security engineer needs to implement segmentation but is under strict compliance requirements to place security enforcement as close as possible to the private applications hosted in Azure. Which deployment style is valid and meets the requirements in this scenario?

Show Suggested Answer Hide Answer
Suggested Answer: C

In cloud environments like Azure, the VM-Series NGFW is deployed to create Layer 3 segmentation zones closest to the application workloads.

''In Azure, deploy VM-Series firewalls in Layer 3 mode to enforce security policies closest to private applications, meeting strict compliance and segmentation requirements.''

(Source: VM-Series in Public Clouds)

Layer 3 segmentation ensures security policies are enforced at the right boundary to isolate traffic within Azure's virtual networks.


by Vallie at Aug 02, 2025, 08:21 PM

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Florinda
9 months ago
Wait, can you really use Layer 3 zones for this? Seems off.
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Alpha
9 months ago
Totally agree, Layer 2 is key for compliance!
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Belen
10 months ago
Not sure if Layer 2 is enough for strict compliance, though.
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Elza
10 months ago
B looks solid too, but I lean towards A.
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Jules
10 months ago
I think option A is the best choice for Layer 2 segmentation.
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Lorean
10 months ago
I thought PA-Series was more robust for compliance, but I can't quite recall if it was Layer 2 or Layer 3 that we focused on in our last review.
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Alaine
11 months ago
I feel like the VM-Series NGFW is the right choice here, but I’m a bit confused about whether Layer 2 or Layer 3 is more compliant with security requirements.
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Rachael
11 months ago
I think we practiced a similar question, and I recall that using Layer 3 might be more common for segmentation, but I can't remember the specifics.
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Weldon
11 months ago
I remember something about Layer 2 and Layer 3 zones, but I'm not sure which one is better for segmentation in Azure.
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Aleisha
11 months ago
I've got this! The question is asking for a valid deployment style that meets the compliance requirements, so I'm going to go with option A - configuring Layer 2 zones on a VM-Series NGFW.
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Reita
11 months ago
Okay, the key here is that the security enforcement needs to be as close as possible to the private applications in Azure. I think that rules out the Layer 3 options and points me towards the Layer 2 solutions.
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Ronnie
11 months ago
Hmm, I'm a bit confused about the difference between Layer 2 and Layer 3 zones. I'll need to review that concept before deciding on the answer.
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Jillian
12 months ago
This seems like a straightforward question about network segmentation. I'll need to carefully read through the options and think about which one best meets the requirements.
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Fidelia
1 year ago
I'm leaning towards C actually.
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Ammie
1 year ago
I disagree, I believe the correct answer is D.
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Enola
1 year ago
Option C looks good to me. Segmenting the network using Layer 3 zones on a VM-Series NGFW seems like the way to go to meet the compliance requirements.
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Deeanna
1 year ago
I agree, using Layer 3 zones with Layer 3 interfaces would provide the necessary security enforcement close to the private applications.
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Chauncey
1 year ago
Option C looks good to me. Segmenting the network using Layer 3 zones on a VM-Series NGFW seems like the way to go to meet the compliance requirements.
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Erick
1 year ago
I think the answer is A.
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