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At which layer of the open systems interconnection (OSI) model
does network access control (NAC) typically operate? Select the
best answer.
Suggested Answer: B
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To ensure an acceptable user experience when implementing SDP, a security architect should collaborate with IT to model and plan the user experience, client software distribution, and device onboarding processes. This is because SDP requires users to install and use client software to access the protected resources, and the user experience may vary depending on the device type, operating system, network conditions, and security policies. By modeling and planning the user experience, the security architect and IT can ensure that the SDP implementation is user-friendly, consistent, and secure.
36 comments · newest first
CH
Chau
10 months ago
Layer 6? No way, that's not right.
LA
Lacey
11 months ago
Wait, I always thought it was higher up!
CI
Ciara
11 months ago
Agreed, Layer 2 is spot on for NAC.
QU
Quentin
11 months ago
I thought it was Layer 3? Seems off.
AN
Annalee
11 months ago
Definitely Layer 2, that's where NAC works!
FR
Freida
12 months ago
I’m a bit confused. I thought NAC might relate to Layer 3 since it deals with network access, but now I’m leaning towards Layer 2 after reviewing.
RO
Rosio
12 months ago
Layer 6 sounds familiar, but I’m pretty certain that’s not right for NAC. I think it’s more about data transfer, which points to Layer 2.
EL
Eliseo
12 months ago
I practiced a similar question, and I believe it was also about Layer 2. It makes sense since NAC controls access at that level.
ET
Ettie
1 year ago
I think NAC operates at Layer 2, the data link layer, but I’m not entirely sure. I remember something about MAC addresses being involved.
KR
Kris
1 year ago
I'm feeling pretty confident about this one. NAC is all about managing device access, so it has to be at the data link layer where that happens.
QU
Quinn
1 year ago
This is a tricky one, but I think the key is understanding the purpose of each OSI layer. I'll walk through that in my head to figure out the right answer.
TA
Tamar
1 year ago
Hmm, I'm a bit confused about the different OSI layers and where NAC fits in. I'll need to review that before answering.
RO
Rosendo
1 year ago
I'm pretty sure NAC operates at the data link layer, but I'll double-check the OSI model layers just to be sure.
SH
Sherell
1 year ago
Okay, I know NAC is all about controlling network access, so it makes sense that it would be at the data link layer where devices connect to the network.
XO
Xochitl
1 year ago
Hmm, this seems like a tricky one. I'll have to think carefully about the differences between the backup types.
LI
Linette
1 year ago
I'm a little confused by the wording of some of these options. They seem to overlap in certain areas, which is making it harder for me to confidently select the best answer. I'll have to re-read the question and options carefully.
GW
Gwenn
1 year ago
Okay, let's see. Zone-based QoS and VSAN-based QoS seem like the two most likely options here. I'll go with those.
ST
Starr
1 year ago
Hmm, I'm a bit unsure about this one. The image has a lot of numbers and information, and I want to make sure I understand it all before attempting to solve the problem. I'll need to take my time and work through it step-by-step.
LA
Launa
1 year ago
NAC at layer 2, eh? Sounds like they're really getting down to the nitty-gritty of network security. Next thing you know, they'll be checking the devices' IDs at the molecular level.
BR
Brianne
1 year ago
Network access control at layer 2? Well, that's one way to keep those pesky hackers from slipping in through the back door!
TA
Tasia
1 year ago
Layer 2 is like the gatekeeper of the network, keeping things secure at the entry point.
MO
Mose
1 year ago
It's all about controlling access based on device information and security posture.
PH
Phil
1 year ago
Yes, operating at layer 2 helps ensure only authorized devices can access the network.
AN
An
1 year ago
Hmm, the data link layer, huh? That's lower down than I expected. I guess NAC needs to get its hands dirty with the hardware before it can keep the bad guys out.
AL
Alysa
1 year ago
Ah, I see now. The data link layer is where NAC can inspect the MAC addresses and enforce policies. Clever integration of security at that level.
MA
Mammie
1 year ago
Agreed, it's a smart way to enforce security policies at that level.
MA
Marshall
1 year ago
Layer 2 is definitely the right choice for NAC operations.
LA
Lajuana
1 year ago
It's interesting how NAC can use MAC addresses for access control.
TA
Tambra
1 year ago
Yes, the data link layer is crucial for network access control.
CA
Carlene
1 year ago
I thought NAC operated at the network layer, but this explanation makes sense. The data link layer is where device authentication and access control would make the most sense.
HO
Horace
1 year ago
It's interesting how NAC operates at layer 2, focusing on MAC addresses and device profiles.
FL
Flo
1 year ago
The data link layer is where device authentication and access control would make the most sense.
AL
Alaine
1 year ago
I thought NAC operated at the network layer, but this explanation makes sense.
KI
Kirk
1 year ago
Thanks for the clarification. It makes sense that NAC operates at the data link layer for better control and security.
AI
Aimee
2 years ago
I agree with Fidelia. NAC typically operates at layer 2 to control network access.
FI
Fidelia
2 years ago
I think the answer is B) Layer 2, the data link layer.