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Juniper JN0-281 Exam - Topic 3 Question 5 Discussion

Actual exam question for Juniper's JN0-281 exam
Question #: 5
Topic #: 3
[All JN0-281 Questions]

Exhibit:

How many stages are shown in the exhibit?

Show Suggested Answer Hide Answer
Suggested Answer: D

The exhibit shows a Folded IP Clos Architecture, which is also referred to as a 3-stage Clos network design. This architecture typically consists of two layers of switches:

Spine Layer: The top row of switches.

Leaf Layer: The bottom row of switches.

Step-by-Step Breakdown:

Clos Architecture:

A 3-stage Clos network has two types of devices: spine and leaf. In this design, each leaf switch connects to every spine switch, providing a high level of redundancy and load balancing.

Stage Explanation:

Stage 1: The first set of leaf switches.

Stage 2: The spine switches.

Stage 3: The second set of leaf switches.

The Folded Clos architecture shown here effectively 'folds' the 3-stage design by combining the ingress and egress leaf layers into one, reducing it to two visible layers, but still maintaining the overall 3-stage architecture.

Juniper Reference:

IP Clos Architecture: The 3-stage Clos design is commonly used in modern data centers for high availability, redundancy, and scalability.


by Queen at Apr 06, 2025, 03:09 AM

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Lemuel
5 months ago
Looks like 2 to me, but I could be wrong!
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Paz
5 months ago
Wait, are you sure? I thought it was 6.
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Ramonita
5 months ago
I see 5 stages in the exhibit.
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Nelida
6 months ago
I counted 3, but I might be missing something.
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Annett
6 months ago
Totally agree, it's definitely 5!
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Rikki
6 months ago
I’m leaning towards 2 stages, but I’m not confident. I wish I had practiced more with visual exhibits like this.
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Maryrose
6 months ago
I feel like there might be 6 stages, but I can't recall the details. I should have reviewed that section more.
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Wilson
7 months ago
I remember a similar question about stages, and I think the answer was 5. But this one feels different.
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Isabelle
7 months ago
I think there were 3 stages in the exhibit, but I'm not entirely sure. I need to double-check my notes.
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Marta
7 months ago
This is a tricky one, but I think I can see 3 distinct stages in the exhibit. I'll select option D.
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Man
7 months ago
I'm a bit confused by this question. The image doesn't seem to have a clear number of stages. I'll have to guess and go with option D.
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Teddy
7 months ago
Okay, let me take another look. I see 2 main stages, so I'll choose option A.
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Ivory
8 months ago
The image is a bit unclear, but I'm pretty sure I can count 6 stages, so I'll select option C.
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Launa
8 months ago
Hmm, I think I can see 5 distinct stages in the exhibit, so I'll go with option B.
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Ernie
1 year ago
Ooh, a trick question! I bet it's not even a real network diagram, it's just a picture of a hamster on a wheel. *laughs* Gonna go with A) 2 stages, just to be different.
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Larue
11 months ago
User 4: I'm sticking with 2 stages, just for fun.
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Luisa
11 months ago
User 3: I'll go with 3 stages.
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Eve
12 months ago
User 2: I'm going with 6 stages.
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Lonny
12 months ago
User 1: I think it's 5 stages.
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Graham
1 year ago
B) 5 stages, no doubt about it. Gotta be careful with these tricky questions, they're always trying to catch you out. I'm feeling confident on this one though.
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Marquetta
11 months ago
D) 3
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Mignon
12 months ago
B) 5 stages, no doubt about it.
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Tammy
1 year ago
A) 2
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Junita
1 year ago
Hmm, I see your point. But I still think there are 6 stages based on the diagram.
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Dorothea
1 year ago
I'm gonna go with D) 3 stages. Looks like a simple process flow to me. Maybe the folks who wrote this question have never seen a real network before. *chuckles*
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Aileen
1 year ago
Hmm, easy peasy. The answer is clearly C) 6 stages. This is a basic networking diagram, anyone who's ever set up a home router could figure this out.
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Therese
11 months ago
Yeah, it's always good to double check before making a final decision.
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Fanny
1 year ago
Hmm, I see what you mean. It does look like there are 6 stages now that I look closer.
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Trinidad
1 year ago
No way, it's definitely C) 6 stages. Look closely at the diagram.
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Staci
1 year ago
I think it's actually B) 5 stages.
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Wynell
1 year ago
I believe there are only 3 stages in the exhibit.
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Junita
1 year ago
I think there are 6 stages shown in the exhibit.
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