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GIAC GISF Exam - Topic 2 Question 83 Discussion

Which of the following is a correct sequence of different layers of Open System Interconnection(OSI) model?
D) Physical layer, data link layer, network layer, transport layer, session layer, presentation layer,and application layer
A) Physical layer, data link layer, network layer, transport layer, presentation layer, session layer,and application layer
B) Physical layer, network layer, transport layer, data link layer, session layer, presentation layer,and application layer
C) application layer, presentation layer, network layer, transport layer, session layer, data link layer,and physical layer

GIAC GISF Exam - Topic 2 Question 83 Discussion

Actual exam question for GIAC's GISF exam
Question #: 83
Topic #: 2
[All GISF Questions]

Which of the following is a correct sequence of different layers of Open System Interconnection(OSI) model?

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Suggested Answer: D

by Theron at Apr 05, 2026, 07:12 AM

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Evangelina
1 month ago
A is definitely right. Layers build on each other logically.
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Shawnna
1 month ago
I feel confused. Why is the order important?
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Salome
1 month ago
I think option A is correct. It follows the standard OSI model.
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Dorethea
2 months ago
I’m surprised A is even an option, that’s totally wrong!
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Madalyn
2 months ago
D is correct, just remember the layers from bottom to top!
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Fabiola
2 months ago
Wait, isn't the session layer supposed to come before presentation?
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Alesia
4 months ago
I thought it was A at first, but D makes more sense.
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Kris
4 months ago
It's definitely D, that's the right order!
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Julieta
4 months ago
I feel like I’ve seen a similar question in our study materials, and I’m leaning towards option D as well. It just makes sense to me.
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Raul
5 months ago
I’m a bit confused because I thought the session layer came before the presentation layer, but I can’t recall exactly.
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Cordelia
5 months ago
I remember practicing a question like this, and I think option D looks familiar. It seems to follow the standard OSI model.
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Ceola
5 months ago
I think the correct order starts with the physical layer and ends with the application layer, but I’m not sure about the middle layers.
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