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At which OSI layer does ExpressRoute operate?
Suggested Answer: D
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23 comments · newest first
AN
Anabel
11 months ago
Surprised to see so much debate about this!
TI
Tijuana
11 months ago
Wait, are we sure it's not Layer 7?
GE
Genevive
12 months ago
I thought it was Layer 5, but I guess not.
DU
Dulce
12 months ago
Definitely Layer 2, that's where it fits!
JE
Jettie
1 year ago
It operates at Layer 3.
JU
Justine
1 year ago
I’m leaning towards Layer 2 since it deals with private connections, but I could be mixing it up with something else I studied.
DO
Dorthy
1 year ago
I feel like I saw a practice question about this, and it pointed to Layer 3 as well. But Layer 5 is also a possibility, right?
RO
Rosenda
1 year ago
I remember studying that ExpressRoute is more about connectivity, which makes me think it could be Layer 2.
RI
Ricki
1 year ago
I think ExpressRoute operates at Layer 3, but I'm not entirely sure. It might be related to routing.
KR
Krissy
1 year ago
I'm confident that ExpressRoute operates at Layer 7, the application layer. It's a high-level service that provides a secure connection to the cloud.
LU
Luis
1 year ago
Layer 2 seems like the most logical answer here. ExpressRoute provides a dedicated network connection, so it's likely operating at the data link layer.
PA
Paulene
1 year ago
Hmm, I'm a bit confused on this one. I know ExpressRoute is a direct connection, but I can't remember which OSI layer it's at. I'll have to think this through carefully.
LO
Lourdes
1 year ago
I'm pretty sure ExpressRoute operates at Layer 3, since it's a private network connection between your on-premises infrastructure and the cloud.
SU
Sunshine
1 year ago
Okay, I've got this. The variables are pens, paper, school diary, and bag. Each has 2-3 values. Using pairwise testing, the minimum number of test cases will be 8. I'm confident I can work through this step-by-step and get the right answer.
RY
Ryan
1 year ago
Okay, let's see. If an error occurs, we need to restart the flow from the beginning, so I'm thinking A and B might be the right answers.
GA
Gail
1 year ago
I think I know how to approach this one. The key is to focus on the name resolution issue mentioned in the question. Modifying the name servers at the domain registrar seems like the right solution.
BR
Brice
3 years ago
Hmm, I'm not too familiar with ExpressRoute, but based on the name, I'm guessing it's some kind of express or fast connection. So my money's on Layer 7, the application layer.
AR
Arthur
3 years ago
Ah, I remember learning about ExpressRoute in my networking class. I think it's a Layer 2 service because it provides a direct, private connection to Microsoft's cloud infrastructure.
AN
Angelica
3 years ago
D) Layer 2
DA
Daron
3 years ago
C) Layer 3
TA
Tandra
3 years ago
B) Layer 7
WE
Weldon
3 years ago
I'm pretty sure ExpressRoute is a direct connection to Microsoft's network, so it has to be operating at Layer 2 or 3. I'm leaning towards Layer 2 since it's a dedicated connection.
CA
Carol
3 years ago
Hmm, this is a tricky one. ExpressRoute is a Microsoft service, so I'm guessing it operates at a higher layer, probably Layer 3 or 7.