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GIAC GSEC Exam - Topic 9 Question 74 Discussion

Actual exam question for GIAC's GSEC exam
Question #: 74
Topic #: 9
[All GSEC Questions]

Which of the following works at the network layer and hides the local area network IP address and topology?

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Suggested Answer: A

by Ryan at Aug 17, 2025, 03:30 AM

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Thad
2 months ago
I thought MAC addresses did some of that too?
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Tawny
2 months ago
Wait, are we sure it's not the Hub?
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Kris
2 months ago
Agreed, NAT is crucial for that!
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Albert
2 months ago
Definitely A, NAT is the one that hides IPs.
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Justine
3 months ago
Nope, it's all about NAT for hiding local networks!
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Celeste
3 months ago
I might be confused, but I thought a NIC just connects devices to the network. I don't think it hides anything like NAT does.
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Maurine
3 months ago
I feel like MAC addresses are more about the data link layer, so they wouldn't hide the IP address. I think NAT is definitely the right choice.
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Judy
4 months ago
I'm not so sure about that. I remember something about hubs and how they operate at a different layer, but I can't recall the specifics.
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Willodean
4 months ago
I think it's A, Network address translation. It was mentioned in a practice question about how NAT helps with IP address management.
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Novella
4 months ago
Hmm, I'm a bit unsure about this one. I know NAT is used for IP address translation, but I'm not sure if that's considered a network layer function. I'll have to review my notes on the network layers to make sure I'm understanding this correctly.
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Gregoria
4 months ago
I'm leaning towards A as well. NAT seems to be the only option that fits the description of working at the network layer and hiding the local network topology. The other choices don't seem to match the question as well.
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Clement
4 months ago
Okay, let's see. NAT is definitely the right answer here. It operates at the network layer and masks the internal IP addresses from the outside world. I feel confident about this one.
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Jutta
5 months ago
Hmm, I'm a bit confused on this one. I know NAT is used for IP address translation, but I'm not sure if it's considered a network layer function. I'll have to think this through more.
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Whitley
5 months ago
I'm pretty sure the answer is A. Network address translation (NAT) works at the network layer and hides the local IP addresses.
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Kasandra
5 months ago
Network interface card? Pfft, that's just the hardware. NAT is where it's at when it comes to network layer magic.
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Desirae
5 months ago
I believe A) Network address translation (NAT) is the correct answer because it hides the LAN topology as well.
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Alexis
5 months ago
I'm not sure, but I think C) MAC address is also important at the network layer.
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Justa
5 months ago
Wait, does a MAC address actually work at the network layer? Sounds more like a layer 2 kind of thing. I'm going with NAT on this one.
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Gary
1 month ago
Agreed, NAT is crucial for managing IP addresses.
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Valentine
2 months ago
NAT is the best choice here. It hides the IPs effectively.
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Melodie
2 months ago
I think you're right about the MAC address. It's definitely layer 2.
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Verona
3 months ago
Hub doesn't fit at all. It's just a physical layer device.
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Gladis
5 months ago
I agree with Novella. NAT works at the network layer to hide the LAN IP address.
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Susana
6 months ago
Network address translation is the way to go. It's like a secret spy hiding your network's identity. Totally the right answer.
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Daryl
5 months ago
A) Network address translation (NAT)
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Novella
6 months ago
I think the answer is A) Network address translation (NAT). It hides the local IP address.
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Timothy
6 months ago
NAT? That's a no-brainer. It's like a superhero for your network, hiding all the juicy details from the outside world.
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Yesenia
5 months ago
Definitely NAT. It's like a shield for your network.
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Sherly
5 months ago
A) Network address translation (NAT)
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