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Huawei H12-711_V4.0 Exam - Topic 10 Question 75 Discussion

At what layer does packet filtering technology in the firewall filter packets?
B) Network layer
A) Transport layer
C) Physical layer
D) Data link layer

Huawei H12-711_V4.0 Exam - Topic 10 Question 75 Discussion

Actual exam question for Huawei's H12-711_V4.0 exam
Question #: 75
Topic #: 10
[All H12-711_V4.0 Questions]

At what layer does packet filtering technology in the firewall filter packets?

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Suggested Answer: B

by Van at Jun 28, 2026, 03:54 AM

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Truman
6 hours ago
I’m confused about the layers sometimes. I thought the transport layer was more about connections, but maybe it does filter packets too?
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Sherill
5 days ago
I feel like I’ve seen a question like this before, and it was definitely about the network layer. But what if it’s a trick question?
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Lynelle
11 days ago
I remember studying that firewalls primarily operate at the network layer for filtering, so I’d go with B.
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Marica
16 days ago
I think packet filtering happens at the network layer, but I'm not entirely sure. It could be the transport layer too, right?
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