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Juniper JN0-351 Exam - Topic 1 Question 6 Discussion

Actual exam question for Juniper's JN0-351 exam
Question #: 6
Topic #: 1
[All JN0-351 Questions]

Which two statements are correct about using firewall filters on EX Series switches? (Choose two.)

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Suggested Answer: A, C

Ais correct because you can deploy only stateless firewall filters on an EX Series switch.A stateless firewall filter is a filter that evaluates each packet individually based on the header information, such as source and destination addresses, protocol, and port numbers1.A stateless firewall filter does not keep track of the state or context of a packet flow, such as the sequence number, flags, or session information1.EX Series switches support only stateless firewall filters, which are also called access control lists (ACLs) or packet filters2.

Cis correct because you can apply firewall filters to both Layer 2 and Layer 3 traffic on an EX Series switch.Layer 2 traffic is traffic that is switched within a VLAN or a bridge domain, while Layer 3 traffic is traffic that is routed between VLANs or networks3.EX Series switches support three types of firewall filters: port (Layer 2) firewall filters, VLAN firewall filters, and router (Layer 3) firewall filters4. You can apply these filters to different interfaces and directions to control the traffic entering or exiting the switch.


by Winfred at Oct 02, 2023, 10:01 AM

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Justine
3 months ago
I thought only Layer 2 was supported, but C sounds right.
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My
3 months ago
Nope, A and B are definitely wrong.
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Louann
3 months ago
Wait, can you really use stateful filters on EX switches?
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Elenor
4 months ago
Totally agree with C!
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Keneth
4 months ago
I think C and D are correct.
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Josephine
4 months ago
I vaguely recall something about applying filters to Layer 2 traffic only, which makes me lean towards B, but I could be mixing it up with another topic.
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Roselle
4 months ago
I practiced a question similar to this, and I think it mentioned that only stateless filters were allowed. So, A seems like a possibility, but I'm not completely confident.
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Pamella
4 months ago
I'm a bit unsure about the stateless vs. stateful filters. I feel like I read somewhere that both types can be used, which might make D a good choice.
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Jacqueline
5 months ago
I think I remember that EX Series switches can handle both Layer 2 and Layer 3 traffic, so maybe C is correct?
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Yoko
5 months ago
To approach this, I'd start by considering the capabilities of EX Series switches. I know they can handle both Layer 2 and Layer 3 traffic, so that narrows it down. Then I'd focus on understanding the stateless vs. stateful filter difference.
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Jeanice
5 months ago
I'm a bit confused about the distinction between stateless and stateful filters. I'll need to review that concept before answering this question.
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Melvin
5 months ago
I'm pretty confident that option D is correct - we can deploy both stateless and stateful firewall filters on EX Series switches. The key is understanding the differences between the two types of filters.
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Bettina
5 months ago
Okay, let's think this through. I know we can apply firewall filters to both Layer 2 and Layer 3 traffic, so that rules out option B. But I'm not sure about the stateless vs. stateful part.
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Jules
5 months ago
This question seems straightforward, but I want to make sure I understand the differences between stateless and stateful firewall filters on EX Series switches.
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Viva
5 months ago
I'm feeling pretty confident about this one. The inventory check task with flow is definitely the way to go. It'll get the job done without a lot of extra work.
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Margot
5 months ago
I'm confident that the right answer here is C, follow-up with patience. The customer has already agreed to the solution, so we don't need to use the product as proof or offer discounts. Patience and continued engagement is the way to go.
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Edmond
5 months ago
Registering a webhook and using an Azure Function is a good start, but I'm not convinced that the synchronous post-operation step is the right solution. I'll need to research alternative approaches that can better handle component unavailability and ensure data integrity.
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