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Dell EMC D-XTR-DS-A-24 Exam - Topic 5 Question 23 Discussion

Actual exam question for Dell EMC's D-XTR-DS-A-24 exam
Question #: 23
Topic #: 5
[All D-XTR-DS-A-24 Questions]

A customer has purchased an XtremlO X2-R, four X-Brick cluster. How many ports are available on a single InfiniBand Switch?

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Suggested Answer: B

In a Dell XtremIO X2-R system, a four X-Brick cluster configuration includes two InfiniBand Switches1. Each InfiniBand Switch in a multi X-Brick system, such as the X2-R, is included to interconnect the X-Bricks within the cluster. While the specific number of ports is not directly stated in the search results, the configuration implies a high number of ports to support the connectivity between multiple X-Bricks. Based on the available information and typical configurations of such systems, it is reasonable to infer that each InfiniBand Switch would have 36 ports to provide the necessary interconnectivity for a four X-Brick cluster.


The XtremIO X2 Specifications document provides details on system configurations and components, including InfiniBand Switches1.

Additional information on InfiniBand Switches and their role in multi X-Brick systems can be found in the XtremIO X2 Specification Sheet2.

by Gladys at May 05, 2025, 05:58 PM

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Timothy
3 months ago
Wait, are you guys serious? I thought it was 12!
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Johna
3 months ago
Definitely 18 ports, no doubt!
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Craig
4 months ago
I think it’s actually 24.
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Jessenia
4 months ago
I agree with Rasheeda, 36 sounds right.
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Rasheeda
4 months ago
Pretty sure it's 36 ports.
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Graham
4 months ago
I remember reading something about InfiniBand configurations, and I think 18 ports might be the answer, but I’m not confident about that.
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Ashleigh
4 months ago
I’m a bit confused; I thought the standard was usually around 24 ports for these switches, but I could be mixing it up with another model.
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Camellia
5 months ago
I practiced a similar question about InfiniBand switches, and I feel like 36 ports was mentioned, but I can't recall the exact details.
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Casie
5 months ago
I think I remember that the XtremlO X2-R has a specific number of ports, but I'm not entirely sure if it's 24 or 36.
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Cammy
5 months ago
This one's got me a bit stumped. I'm not super familiar with the specific hardware mentioned, so I'm not sure how to approach it. I'll try to eliminate the options that don't seem to make sense, but I may need to guess on this one.
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Paris
5 months ago
Okay, I think I've got it. The question is asking about the number of ports on a single InfiniBand Switch, and the details about the customer's purchase are just context. I'll need to use my knowledge of InfiniBand Switch port counts to answer this.
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Edward
5 months ago
Hmm, I'm a little unsure about this one. I know InfiniBand switches have a certain number of ports, but I'm not sure how that relates to the specific hardware the customer purchased. I'll need to think this through carefully.
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Bernardo
6 months ago
This one seems pretty straightforward. I think the key is to focus on the details about the customer's purchase - the XtremlO X2-R and the four X-Brick cluster.
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Louann
9 months ago
I remember reading that each X-Brick cluster has 6 ports, so with 4 clusters, that would be 24 ports in total.
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Evangelina
9 months ago
Why do you think it's 24 ports?
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Louann
9 months ago
I disagree, I believe the answer is C) 24.
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Evangelina
10 months ago
I think the answer is B) 36.
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Emily
10 months ago
Wait, did you guys forget to carry the one? The answer is definitely 42. Duh!
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Arlene
10 months ago
I'm going with B) 36. It just makes the most sense when you think about the number of X-Bricks in the cluster.
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Marjory
10 months ago
Ha! This is easy. The answer is clearly D) 12 ports. Everyone knows InfiniBand Switches only have 12 ports, right?
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Leah
10 months ago
Hmm, I'm not so sure about that. The question mentions an InfiniBand Switch, so I'm thinking the answer might be C) 24 ports.
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Carmelina
9 months ago
I agree, the InfiniBand Switch typically has 24 ports.
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Leatha
9 months ago
I think it's C) 24 ports.
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Micah
11 months ago
I think the answer is B) 36. The X2-R has 4 X-Bricks, and each X-Brick has 9 ports, so that's a total of 36 ports.
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Evangelina
9 months ago
That makes sense. So the total number of ports available on a single InfiniBand Switch for the X2-R with a four X-Brick cluster is 36.
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Shakira
9 months ago
Yes, you are correct. The X2-R with a four X-Brick cluster would indeed have 36 ports available on a single InfiniBand Switch.
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Nickole
9 months ago
I believe the answer is B) 36. Each X-Brick has 9 ports, so with 4 X-Bricks, that's a total of 36 ports.
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